Two students are dead and nine other people are injured after a shooting at Brown University in Rhode Island
Some of the injured are in a critical condition in hospital, and Providence Mayor Brett Smiley warns the number of casualties could rise
The suspect remains at large - police say the attacker was a male dressed all in black who fled on foot
One person was arrested before police determined they had no involvement in the shooting and released them
A shelter in place warning is still in effect for the greater Brown University area
President Donald Trump says he has been briefed on the shooting, which happened at 16:05 local time (21:05 GMT) on Saturday
Manhunt continues after two killed and nine injured in US university shooting
