Iran sends troops to help retake key Iraqi oil refinery from Isis.
US and allies have staged 22 air strikes against Isis since Friday US says it does not oppose Iranian-backed militias if under control of Baghdad An elderly Iraqi woman who fled the city of Ramadi, which is besieged by Isis militants, is pushed in a wheelbarrow as she waits to cross Bzeibez bridge. Photograph: Ahmad Al-Rubaye/AFP/Getty Images Iran has entered the fight to retake a major Iraqi oil refinery from Islamic State militants, contributing small numbers of troops – some operating artillery and other heavy weapons – in support of advancing Iraqi ground forces, US defence officials said. The US and its allies, meanwhile, have staged 22 air strikes on Isis targets since Friday, including four near Ramadi, the city taken by the militants this week, the US military said on Saturday. Coalition forces also attacked five Isis sites in Syria between Friday and Saturday.