Labour MP Rushanara Ali has resigned from the party's front bench in order to abstain from a vote on military action in Iraq.
She served as the shadow education minister and will continue to be the MP for Bethnal Green and Bow.
The Archbishop of Canterbury Justin Welby has told ITV News the rise of Islamic State militants is a 'once in a millennium threat'.
A "small specialist team" of British soldiers is training Kurdish forces near the town of Erbil in Iraq, the Ministry of Defence said.
The FBI want help to identify an English-speaking militant captured on a video released by the Islamic State last month.