MONTREAL - Montreal police have identified several more suspects in the smoke bombing attacks on the metro system, and other crimes associated with recent protests.

They are asking for the public's help in finding someone who fired a smoke grenade inside Berri-UQAM metro on April 16, 2012.

Two more people are believed to have boarded a metro at the Honore-Beaugrand station on April 18, 2012, and dropped a smoke grenade on the tracks in between stations.

Yet another person is believed to be responsible for detonating a smoke bomb on April 25, 2012 at the Lionel Groulx station.

Other people are wanted for spraypainting graffiti on municipal government offices in Outremont and unfurling a banner from the roof of a provincial government building.

For pictures and descriptions of the suspects, click here. Anyone with information is asked to call Info-Crime at 514-393-1133.