At approximately 1700 hrs,2008 May 30 a call was received by the Saskatoon Police Service indicating a male was brandishing a handgun in front of a residence in the 200 Block of Av F S. Police responded and several persons were detained. The information gained lead police to conclude the weapon had made it back into the house and was unaccounted for and all persons from the residence had not been dealt with. As a result the Emergency Response Team was deployed to recover the weapon and deal with any other persons in the residence who could possibly have access to the unrecovered weapon. ERT safely gained acess to the residence and air pistol was recovered. The investigation is ongoing .