Three people including a young Frenchwoman were killed and 11 others wounded Saturday when an explosion rocked an upscale Bogota mall, the mayor said.

"This cowardly terrorist attack at the Centro Andino mall is deeply distressing," Mayor Enrique Penalosa said, without giving details on who may have been behind the blast.

The French national was 23 years old, he said.

The other two victims were women ages 27 and 31, police and firefighters said, without giving their nationalities.

President Juan Manuel Santos condemned the attack and ordered National Police chief General Jorge Nieto to investigate.

Police said an explosion tore through a restroom in the mall crowded with shoppers ahead of Father's Day, located in an upscale area of the Colombian capital that is popular with foreigners.