Alice Springs Detectives are investigating an overnight incident which has left a man hospitalised.

Detective Senior Sergeant Peter Dash said Police received a call just after 3.30am.

“St John Ambulance Paramedics attended a business address on Barrett Drive where they have commenced full resuscitation on a 24-year-old-male.

“The male remains in Alice Springs Hospital.

“A 20-year-old male is currently assisting Police with inquiries.

“Anyone who may have witnessed the incident is urged to contact Police on 131 444 or call Crime Stoppers on 1800 333 000.”