Islamist militants in Mali began a blockade of Timbuktu by cutting road access in August and then shut off river and air routes in an offensive that has put the city once again on the frontline of a jihadist insurgency.

The bombing began soon after. On Sept. 21, witnesses said rockets hit a hospital, killing two children, and landed near a school where survivors of a passenger boat attack that killed more than 100 people were sheltering.

"Our worry is the shelling," businessman Sory Toure said in Timbuktu, which was occupied by jihadists a decade ago. "It creates a real psychosis and leaves a lasting impression. I have this fear within me."