Barack Obama says he "won't rule anything out" when it comes to dealing with militants who've taken over several cities in Iraq and are moving ever closer to Baghdad.
The US president is weighing up a range of options, including airstrikes.
Islamist insurgents are moving closer to Baghdad - having already captured two cities in the north.
The UN is calling for a worldwide humanitarian response, as thousands flee the violence.
America's refusing to send troops to Iraq, but the US President says there are other options they're considering:
