Intelligence sources said that Iraqi security forces arrested a group of Islamic State members who were planning an attack with chemical weapons against troops in western Mosul

"The group was arrested while government troops were patrolling al-Sihha district in western Mosul. Amounts of "toxic substances" were found within the group’s possession, according to the source. He did not give an exact number of those arrested.

The source accused the group of waging the attacks, documenting them and presenting them as the making of Iraqi forces.

The Iraqi army chief of staff, Osman al-Ghanmi, stressed, on Saturday, Iraqi forces were hit by three chemical attacks on Mosul front.