Fighting raged until early on Friday before dying down when Daesh took back a district.
Fighting raged until early on Friday before dying down when Daesh took back a district.
Several peshmerga fighters injured in chlorine attack.
Local authorities say 22 women and children killed in government airstrikes; defence ministry rejects claims of attack.
Organisers of the "global day of peace", aimed at showing support for the nuclear deal, has already advertised marches on Saturday in around 80 cities, including Melbourne, Tokyo, Paris, Ottawa and New York.
Police chief Major General Tariq Al Hasan said the suspects had links with Iran's Revolutionary Guards and Iran-backed Hezbollah.
"This un-Islamic act... can never be justified," their statement said.
Diplomats said the summit, to be held on the sidelines of the annual UN General Assembly meeting, will allow leaders to take stock and chart a way forward in the campaign to defeat Daesh.
Badie, who has already been sentenced to death in two other trials, was charged in connection with the killing of policemen at Rabaa Al Adawiya Square.
The negotiations at the United Nations in Geneva are being hosted by UN envoy Bernardino Leon.
Lawmakers approved the plan without debate, in a dramatic departure from the heated arguments and delays that have slowed previous efforts to enact reforms.