A busy night for Saskatoon firefighters began around 10:15 p.m. Friday.Crews reported seeing heavy smoke coming out of the eaves of the garage when they arrived behind 207 Avenue W South.It took about ten minutes to get the blaze under control.At 10:30 p.m. crews responded to another garage fire a few blocks away behind 428 Avenue E South.In media releases, Saskatoon fire said these fires are suspicious.At 1:50 a.m. firefighters responded to the third garage fire of the night, this time behind 2607 Irvine Avenue in the Nutana Park area.It didn’t take long to get the fire under control but there is extensive damage, a media release said.The cause of that fire remains under investigation.