Firefighters are battling a building fire in Montreal near the Olympic stadium in the Hochelaga-Maisonneuve borough. The first alarm rang earlier today at around 2:00 p.m. In the last hour, four more alarms have rung, making this officially a five-alarm fire.\nThe cause of the fire is still unclear. The flames can be seen from several blocks away, and smoke is billowing out of the top of the building. Officials are asking people to avoid the area.\nREAD ALSO: Montreal Fire Department Alert: Major 3-Alarm Fire Raging Near Montreal Olympic Stadium (Video)\nThe blaze can be seen in this video submitted to MTLBlog by an anonymous source. Heavy smoke can clearly be seen belching out of the building. It is unclear if this is a residential building or an office building.\nView this post on Instagram The Montreal Fire Department has alerted the public to a 3-alarm fire on the corner of ave. Letourneaux and rue Deguerre in the Hochelaga-Maisonneuve borough. This video was submitted to MTLBlog by an anonymous reader. A post shared by MTLBlog News (@mtlblog_news) on May 9, 2019 at 11:42am PDT\nThe building is located at the corner of ave Letourneaux and rue Deguerre, one block south of the Olympic Stadium. A public school is also nearby.\nAs of right now, there are no reports of any injuries.\nfeu de bâtiment - LETOURNEUX/ DAGUERRE- cinquième alarme - Merci d'éviter le secteur pic.twitter.com/j270knZpMP— Sécurité incendieMTL (@MTL_SIM) May 9, 2019\nThe Tweet reads, "Building fire - LETOURNEUX/ DAGUERRE - fifth alarm - Thank you for avoiding the area."\nREAD ALSO: Huge Demonstration In Downtown Montreal Forces Street Closures And STM Bus Detours\nPhotos from people on the scene show the extent of the five-alarm fire.\nIncendie dans Hoshlaga @MTL_SIM #MONTREAL #CHIEFMILLER #FIRE pic.twitter.com/fxYNvZCh68— N.K Quatre (@NKQuatre) May 9, 2019\nAs of right now, the exact cause of the fire is unknown. We reached out to the fire department for comments but they were unavailable at the time of our call.\nWe will update this article with more information as it becomes available.