Man assisting police after Brisbane death

A 39-year-old man is assisting police in relation to the stabbing death of a man north of Brisbane.

An emergency situation had been declared at Carseldine - in the city's north - on Friday evening with several streets placed inside an exclusion zone.

Specialist police entered a hotel room shortly after midnight and took the man into custody with the emergency order revoked soon after.

Former soldier Nathan Frazer was fatally stabbed on a Murrumba Downs road early on Thursday.