Resident allowed back into their suites at about 1:45pm Saturday after bells were ringing thru out the 4 storey complex at 921 Spillway.

There are three buildings in the Casa Rio Complex with only the east unit affected. The call went out at during the lunch period.

Two trucks/crew of the Oliver Fire Department responded with a thermal imaging camera brought in to look for signs of a fire. The alarm system indicated it was on the fourth floor with firemen believing it was a building air conditioner unit that may have set off the alarms.