U.S. Investigating Whether ISIS Uses Chemical Weapons in Iraq

Secretary of State John Kerry made the announcement today.

The United States is to investigate whether militant group Islamic State (ISIS) used chemical weapons in Iraq, Secretary of State John Kerry has said.

Mr Kerry said he was looking into "extremely serious" allegations that IS attacked Iraqi police officers with chlorine gas last month.

Speaking on a visit to South Korea, Mr Kerry said the claims were unconfirmed.