Fresh details have emerged after a WA Police officer took his own life on Monday.

It is understood the male officer took his own life at a WA Police facility in Perth in the early hours of Monday morning.

A police officer who took his own life at work was stopped at an international airport days before he took his own life, police have said.

A WA Police officer is believed to have taken his own life overnight in a Perth facility, with an investigation now under way.

A WA Police officer is believed to have taken his own life overnight in a Perth facility, with an investigation now under way.

Police Commissioner Col Blanch has defended the processes for signing out weapons, in the wake of the suicide of a detective in Perth on Monday.

New details surrounding the 17-year-old boy who took his own life at the notorious Banksia Hill Detention Centre have been revealed.

New details surrounding the 17-year-old boy who took his own life at the notorious Banksia Hill Detention Centre have been revealed.

The police commissioner said the detective was not on duty when he shot himself dead at the WA homicide squad's headquarters.

The police commissioner said the detective was not on duty when he shot himself dead at the WA homicide squad's headquarters.