British Royal Air Force Tornados touch down in Cyprus.<br/> <br />These jets are set to carry out surveillance operations for aid deliveries to refugees trapped on the mountains of northern Iraq.<br/> <br />Three aid consignments have now been dropped by the UK, and more are planned.<br/> <br />The UK's Ministry of Defence released this video of hundreds of Yazidis collecting emergency aid, such as water, solar lanterns and shelter kits.<br/> <br />Tens of thousands of Iraqis who don't follow Islam have fled their homes for these mountains.<br/> <br />They've been threatened with death by fighters from the militant group Islamic State if they don't abandon their faith.<br/> <br />The UN warns they need "life-saving assistance".<br/> <br />The Islamic State has stormed across much of northern Iraq, seizing more and more land, redrawing the regional border.