Pope Francis said prayers on Sunday for victims of the bombing of a migrant center in Libya last week and called for concerted action to create extensive humanitarian corridors to prevent similar tragedies.

An air strike hit a detention center housing mainly African migrants in Tripoli last Tuesday, killing dozens of people including Gambians.

Senegalese media outlet IGFM said more than 100 migrants were killed and more than 200 others wounded during the air raid. The air raid targeted a migrant camp in Tajoura in the eastern suburbs of Tripoli.

Among the victims are Senegalese, Guineans, Gambians and Eritreans, Boubacar Séye the president of Horizon Sans Frontières (Horizon Without Borders) told IGFM.

On Sunday, the Popein his weekly Angelus in Rome said “the international community cannot put up with such grave acts.”

Pope Francis also called for prayers for those caught up in recent attacks in Afghanistan, Mali, Burkina Faso and Niger.