Vancouver Police says one man is in custody after allegedly throwing a smoke grenade into the lobby of its own police station on Cambie Street.
It happened just after 11:30 Saturday morning.
In a statement, Constable Brian Montague says the building was evacuated and HAZMAT responded.
No one was injured.
VPD say the suspect is known to police.
It will be recommending charges of mischief, assaulting a police officer and administering a noxious substance.