Homicide detectives have launched an investigation after a man was fatally shot inside a residence in Ajax overnight.

The shooting occurred at a home on Devineridge Avenue near Audley and Rossland roads at around 2:45 a.m.

Police say that the victim, identified as 33-year-old Ajax man Jermaine Auld, was pronounced dead on scene.

Officers canvassed the neighbourhood in the hopes locating witnesses following the shooting.

No arrests have been made so far.

An autopsy is scheduled to be conducted tomorrow.

Police are asking anyone with information to contact investigators at 1-888-579-1520 ext. 5247 or 5405 or call Crime Stoppers anonymously at 1-800-222-TIPS (8477).