He urged Irish premier Leo Varadkar to consider whether he would “rather no deal than no backstop” after a meeting with Boris Johnson.
The DUP leader said the Conservatives' loss in the Brecon and Radnorshire by-election does not affect her party's pledge to support the government.
The DUP's Brexit spokesman has said that a change in prime minister could provide a “different outcome” in the EU negotiations.
Theresa May was wrong to think she could "buy off" the DUP, according to former Northern Ireland secretary Shaun Woodward.
The DUP's Brexit spokesman said his party would never support Labour or the SNP because they had "nailed their colours to the EU mast".
The DUP's Brexit spokesman Sammy Wilson has said he doesn't "take any pleasure" from the way in which the Prime Minister and the country have been treated throughout Brexit negotiations.
Sammy Wilson, the DUP’s Brexit spokesman has accused the head of Northern Ireland’s civil service of being “politically motivated” after he warned against no-deal Brexit.
The DUP's Brexit spokesman said it was "wishful thinking" that the Prime Minister's Withdrawal Agreement will be supported in Parliament.
The prime minister has told the three MPs who left her party that she does not “accept the picture” that they portray of the Conservative party.
Sammy Wilson, DUP’s Brexit spokesman has said that “there is absolutely no reason that leaving the EU should take us back” to the Troubles in Northern Ireland.
Theresa May will insist that she will deliver a Brexit deal that “honours our commitments to Northern Ireland”, admitting that she knew it was a “concerning time”.
Conservative Lord Robert Hayward has said that he tabled an amendment to extend equal marriage to Northern Ireland because the UK “can’t wait forever for the Northern Irish Assembly to come back together”.
The DUP's Brexit spokesman hit back at Julia Hartley-Brewer after the presenter likened ongoing Brexit negotiations to "a game of chicken".
The DUP's Brexit spokesperson Sammy Wilson says the party will stand firm against Theresa May's Brexit deal and hopes she can form a better agreement with the EU
The DUP leader told talkRADIO she was "disappointed" in the Prime Minister for not asking the EU to "get rid" of the backstop clause ahead of yesterday's meaningful vote.
The DUP's Brexit spokesman has accused "remainer elite" in the House of Commons of trying to "thwart the result" of the EU referendum.
Prime Minister Theresa May has assured MPs that they would get a vote on triggering the backstop, or extending the implementation period, if there is no new agreement by December 2020.
The DUP's Brexit spokesman says the party will not support Theresa May's deal
The DUP's Brexit spokesman has claimed that the Prime Minister "doesn't seem to be listening" to criticisms of her Brexit deal.
Conservative MP Nigel Evans has said that Theresa May knows she is in “dangerous territory” with the possibility of her EU Withdrawal Agreement being rejected on Tuesday.
The Prime Minister has rejected accusations that she allowed the European Union to use the issue of a hard border between Ireland and Northern Ireland as a “negotiating play”.
The opposition parties, which contains Labour, the Green Party, SNP, DUP, Plaid Cymru and Liberal Democrats, have launched a motion against the Government accusing them of Contempt of Parliament over the failure to publish the full legal advice on Theresa May's Brexit plan.
The Democratic Unionist Party’s Education Minister Peter Weir has said that unless “something very strange” happens, the Government will lose the meaningful vote on Theresa May’s EU Withdrawal Agreement next week, potentially “by a large margin”.
The DUP's Brexit spokesman has claimed the Prime Minister has "united all sides" against her Brexit deal.
Conservative MP Andrew Bridgen has said the government is "paralysed" without the support of the DUP.
People complaining about a Brexit deal need to “calm down” and “read the details” once it is published, Conservative MP Paul Scully has said.
The DUP's Brexit spokesman has said Theresa May has "double-crossed" the UK with her Brexit deal.
Arlene Foster has claimed Theresa May is "wedded" to the idea of a border down the Irish sea in the case of a no-deal Brexit, which "raises alarm bells".
The DUP's Brexit spokesman called on Theresa May to publish legal advice on a possible Brexit deal to assure the public the UK is not being "trapped" in the EU.
The DUP's Brexit spokesman, Sammy Wilson, has said that the issue of the Irish border has been used as an "excuse to delay or stop" the UK leaving the European Union.
The Democratic Unionist Party’s Brexit Spokesman Sammy Wilson has said that “there has to be consequences” if Theresa May does break the DUP’s red lines.
As many as 40 Tory Brexiteers will resist attempts to coerce them into supporting a Brexit deal with Brussels based on Theresa May’s Chequers plan, a former minister has warned.
Any extra barriers to trade between Northern Ireland and Britain after Brexit would be “catastrophic”, Arlene Foster has warned as she prepared for talks with the European Union’s chief negotiator.
Prime Minister Theresa May’s stern statement to the European Union has been praised by DUP Deputy Leader Nigel Dodds.
The European Union’s Chief negotiator Michel Barnier has said he is read to come forward with an “improved” proposal for the Irish border.
After the Republic of Ireland voted to repeal the Eighth Amendment, MPs are calling for Northern Irish women to have access to abortion
More details of the arrangement agreed by Theresa May and Jean-Claude Juncker have been disclosed
The European Commission president said 'sufficient progress' had been made to progress onto trade
Theresa May is hoping to offer a new deal which satisfies the DUP and Ireland
Theresa May is calling on the DUP to support proposals that would allow the EU to trigger the next stage of trade negotiations
Former Labour leader piles into Tories as Irish border shambles goes on
Kate Hoey, the Labour MP for Vauxhall spoke to Julia Hartley-Brewer after a deal on the border to the Republic fell apart at the eleventh hour
The DUP's decision came after an announcement had already been made about a deal over the border
Jacob Rees-Mogg has said the Government should only pay the EU if it gets a deal in return
The DUP has broken with the Tories despite the confidence and supply deal made after the June election
The Government promised funding of one billion pounds to secure Democratic Unionist support after the election in June
The hypocrisy over the DUP deal hasn’t killed the union between England and Scotland, but it’s arguably illustrated why that union is already dead
The Twitterati have given the Prime Minister an all-too-predictable kicking for her performance at today's weekly grilling in Parliament
Downing Street's former director of communications Katie Perrior says the Conservatives U-turn as Theresa May doesn’t have the power to do what she set out
Georeg Galloway says cheering about keeping the public sector pay cap is more unkind than having voted against abolishing it
Iain Duncan Smith says the Tory-DUP deal has brought funding forward that was for the most part planned as Northern Ireland has always required a high level of investment
Chancellor Philip Hammond made the announcement just before a Commons vote on the matter was due
Head of health at Unison, Christina McAnea, says she hopes public sector workers will tell Tory politicians what they think of them
A demonstration against Theresa May's deal with the DUP has been arranged by The People's Assembly