The Moroccan Interior Minister has said 13 of the 14 people alleged to be behind a series of suicide bombings in Casablanca on Friday night were killed in the attacks.
The 14th person is said to have been arrested.
The Minister, Mustapha Sahel, said the group had worked in five teams to carry out the bombings, which killed more than 40 people and injured at least 60.
Moroccan police say they have also arrested 27 Islamists in connection with the attacks.