POLICE have issued an urgent State-wide alert for a man described as armed and dangerous.​

The tactical response group swooped on a home on Hibiscus Road in Maddington this afternoon. Everyone inside was told to come out with their hands up but the man they were seeking, 41-year-old Anthony John Valentino, was not there. ​

It is the house where a shooting took place last night. The victim was shot in the neck but survived. The man in his 30s had surgery today.​

Police believe Mr Valentino is in a silver Mitsubishi 380, registration number 1CYK355.​ He is described as fair skinned with a medium build, approximately 192cm tall with a shaved head.

They say he is dangerous, unpredictable and may still be armed.​

Police say do not approach him but call police immediately.

Anyone with information is urged to call Crime Stoppers on 1800 333 000 or report it online.