A jealous husband "beat, strangled and bit" his wife to death after becoming obsessed with her attraction to a love rival, a court heard.
It is alleged Elife Beqa, 34, was murdered by Agim Isaku at their small two-bedroom flat in Convent Way, Southall , while their young sons slept in the neighbouring room.
Isaku, 40, who was born in Albania, called an ambulance for his wife and she was rushed to hospital where doctors battled to save her life.
But she never regained consciousness and died later on August 13 2015 when the decision was taken to switch off the life support machines.
Isaku, who denies murder, claimed his wife died in a struggle after she came at him with a knife, the Old Bailey heard on Monday (February 1).
But prosecutor Tony Badenoch QC said: "The prosecution allegation is this defendant murdered his wife by beating her, strangling her and biting her."
He told jurors their marriage soured partly as a result of Ms Beqa becoming attracted to another man and she told friends nightly rows would erupt after the children had gone to bed.
"He learned of the other man and appears to have been intensely jealous about it," said Mr Badenoch.
"The arguments were also after the children had gone to bed and him asking and obsessing about why she had slept with another man of Asian descent. That appears to have been a particular problem."
Children slept through struggle
Jurors were told by Mr Badenoch that, in the early hours of August 13, Isaku launched an attack on his wife during the course of an argument.
"Elife died, ladies and gentleman, following a violent episode. During the violent episode she was beaten, bitten and she was strangled to death," said the prosecutor.
"When that happened she was at home, her two young sons were asleep in the neighbouring bedroom when this happened and fortunately weren't woken until officers arrived and were later tasked with telling them that there mother had died."
A post mortem revealed Mrs Beqa suffered compression of the neck causing bruising and fractures as a result of severe pressure as well as bruising consistent with having punch, kick or knee pressure.
She had also been bitten a number of times and a specialist concluded the marks to her back and arm had been caused by Isaku.
Mr Isaku was found to have minor injuries, which Mr Badenoch said were "most likely to have been caused when Elife was fighting for her life with him".
"Mr Isaku told investigators that his wife came at him with a knife and she died during a struggle that followed," he added.
The trial continues.