France, Feb. 13 -- University gates and residences at the Cheikh Anta Diop University (UCAD) in the capital Dakar have remained closed since a second-year medical student was killed in unclear circumstances during a police intervention.

The student, Abdoulaye Ba, died on Monday following injuries sustained during a security intervention at the UCAD campus.

UCAD's academic council said late Thursday that it had been "deeply affected by this tragedy" and, for safety reasons, had decided to "suspend, on a precautionary basis and until further notice, the student associations".

Videos posted on social media showed scenes of chaos, with security forces entering university grounds and firing tear gas into buildings while students retaliated ...