Iraq asked for international assistance on Wednesday to collect and preserve evidence of crimes by Islamic State militants and said it is working with Britain to draft a United Nations Security Council resolution to establish the investigation. This was reported by Reuters.
Britain, international human rights lawyer Amal Clooney and Nadia Murad, a woman from the Yazidi religious minority who was enslaved and raped by Islamic State fighters in Mosul, have been pushing Iraq to allow a UN inquiry.
The 15-member Security Council could have established an inquiry without Iraq's consent, but Britain wanted Iraq's approval in a letter formally making the request. Iraq sent the letter, seen by Reuters, on Monday.
"We request assistance of the international community to get benefited from international expertise to criminalize Daesh terrorist entity," wrote Iraq's foreign minister Ibrahim al-Jaafari in the letter, which was translated from Arabic.
Britain's mission to the United Nations said on Twitter that it was working with Iraq on a draft resolution. It was not immediately clear when it could be put to a vote in the council.
As it was reported earlier Islamic State could use chemical weapons in Britain. During a raid on ISIS group in Morocco in February, local security services discovered a substance that could be used to create bombs or "deadly chemicals."