A man who killed his heavily pregnant ex-wife with a crossbow has been jailed for at least 33 years.
Ramanodge Unmathallegadoo, 51, burst into the home of eight months pregnant Sana Muhammad and fired an arrow into her stomach as she fled upstairs.
Mrs Muhammad, 35, formerly known as Devi Unmathallegadoo, suffered catastrophic internal injuries and died.
However, her unborn son - her sixth child - was delivered by Caesarean section and survived the attack.
A jury rejected the defendant's claim it was an accident and found him guilty of murder after four hours of deliberations last week.
Judge Mark Lucraft QC sentenced him to life with a minimum term of 33 years today.
He described the killing of Mrs Muhammad as "brutal and evil", saying if it was not for the presence of her children he would have shot her new husband Imtiaz too.
The court heard how the victim was just 16 when she entered into an arranged marriage with Unmathallegadoo, then aged 30, in Mauritius.
Their relationship ended in 2012 after an incident in which she jumped out of an upstairs window and broke her ankle.
Following her divorce from Unmathallegadoo, she married builder Imtiaz Muhammad and changed her name to Sana Muhammad.
Meanwhile, the defendant lost his job as a site manager at Newham General Hospital and slept rough as he plotted revenge.
On the morning of November 12, 2018, he took up position in Mrs Muhammad's garden shed armed with two crossbows, bolts, a knife, duct tape, cable ties and a hammer.
He was disturbed by Mr Muhammad who had gone into the garden to store an empty box. The defendant ran inside the house and shot his ex-wife with an 18-inch arrow.
The defendant made no reaction as he was led away from the dock.
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