Police have released images of two people suspected of being involved in an explosive attack at BC NDP MLA Bowinn Ma's constituency office in North Vancouver.Officers have called on the public to help track them down..Suspect one was described as "a Caucasian male with short, balding hair, a stocky build, wearing a black jacket, dark T-shirt, and blue jeans," while suspect two was described as "a Caucasian male with a slender build, wearing a long blonde wig, black hoodie, and dark blue pants.""We are urging the public to review these images and contact police if they recognize the suspects," North Vancouver RCMP Media Relations Officer Cpl. Mansoor Sahak said during a press conference on Tuesday. "The public plays a very important role in this investigation, and sometimes even a small tip can be the final piece of the puzzle in a complex case. Now is the time to follow the well-known message: if you see something, say something. Report any suspicious activity to police.".The incident took place in the wee hours of Friday June 27 at Ma's office on West Esplanade Ave. and Chesterfield Avenue. The building is also home to a Vancouver Coastal Health Urgent and Primary Care Centre..Police 'investigating all possible avenues' following explosive attack at BC NDP MLA's constituency office .At 4:15 am PST, police received a report of a "loud explosion" in the area. When officers responded, they discovered "evidence of damage to the front door" of the building "indicative of an explosive device detonation."Following a thorough survey by the RCMP's Explosive Disposal Unit and officers from the Lower Mainland Integrated Police Dog Services and Integrated Forensic Identification Services, the building was deemed "safe."