The Air Support Unit and Saskatoon Patrol Officers jumped into action just before three o’clock this morning [wed] after a report of people running around a home with firearms. Officers arrested one man when they arrived at a residence on the 100 block of 109th Street West. Then, 12 more people exited the residence. Two men were arrested for breaching probation. One was found to be in possession of an imitation firearm. A 26 year old man was charged with Carrying a Weapon Dangerous to the Public, Possession of an unauthorized Firearm, Breach of Conditions, and Breach of Probation. There were also outstanding warrants for his arrest as well.