The UK will send more military personnel to Iraq to help train forces to fight Islamic State, Defence Secretary Michael Fallon has confirmed.

British soldiers could return to Baghdad to support Iraqi security forces in their fight against Islamic State.

A number of officers are expected to be sent to join the US-led training mission to the Iraqi capital.

Officers are set to travel to Baghdad to train Iraqi forces for their fight against IS. Credit: PA Wire

"We are exploring what more can be done on training as part of a future package of support aimed at bolstering the ability [of the Iraqi military] to tackle [Islamic State]," a senior defence source told The Times.

The Ministry of Defence is due to make an announcement later.