By John Lee.
Iraq's envoy to the UN has warned that Sunni militants have seized nearly 40kg of uranium compounds from a university in Mosul.
Ambassador Mohamed Ali Alhakim (pictured) appealed for international help in the matter, while according to a BBC report, US officials played down the threat, saying the materials were not believed to be enriched uranium, adding that it would be difficult for the rebels to use the materials to make weapons.
Iraqi officials have also confirmed that the rebels were in control of a disused chemical weapons factory in which the remnants of rockets filled with sarin and other deadly nerve agents are stored.
Both the UN and US have said the munitions are degraded and the rebels will be unable to make usable chemical arms from them.