'This is our football, it's made of skin #World Cup': After posting sickening beheading video of Iraqi policeman, ISIS boast of slaughtering 1,700 soldiers
WARNING: GRAPHIC CONTENT
Image of officer's decapitated head tweeted with sickening message: 'This is our ball. It's made of skin #WorldCup'
Battle lines drawn as Iraqi forces gather at base just 20 miles outside Baghdad after militants seize two more towns
President Obama rules out sending troops back to Iraq but promises to review military options including air strikes
Iraqi Prime Minister Nuri al-Maliki claims security forces have now started to clear several cities of 'the terrorists'
More than 20 UK nationals thought to be trapped in territories where Islamists are carrying out summary executions
Al Qaeda-inspired militants stage jubilant parade of American Humvee patrol cars seized from collapsing Iraqi army
Masked fighters wave the black flag of the Islamic State and flash the 'V' sign while shouting 'towards Baghdad!'
Insurgents have also captured two helicopters, 15 tanks and armoured cars that used to belong to U.S. military
Iraq's refugee population has increased by almost 800,000 this year as the government struggles against rebels
President Barack Obama weighs up possible airstrikes - but rules out putting U.S. soldiers back on the ground
ISIS leader dismissed Iraqi Prime Minister Nuri al-Maliki as woefully incompetent, calling him 'underwear merchant'
By Simon Tomlinson and Amy White
Published: 01:34 EST, 13 June 2014 | Updated: 15:40 EST, 13 June 2014
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