UPDATE: Police investigating the alleged homicide of a 43-year-old Crestmead man at Maryborough earlier this month, have charged a second man with murder.

At 2.45pm yesterday, Mackay police found a 38-year-old Island Plantation man at the Mackay Harbour. The man attempted to flee from officers however was arrested and taken into custody.

The man was taken to Mackay Watchhouse and has now been charged with one count each of murder, assault occasioning bodily harm whilst armed and wilful damage.

He is expected to appear at Mackay Magistrates Court today.

EARLIER: Police have arrested a man wanted over a Maryborough murder at the Mackay Harbour today.

The dramatic event unfolded just before 3pm after Mackay police spotted Maryborough's Daniel Baumgart, 38, in the Mackay area.

Mr Baumgart is a suspect in the alleged murder of 43-year-old Crestmead man Michael Hartley.

Mr Hartley was found dead down an embankment at Ross Creek, east of Gympie, after allegedly being assaulted at a home in John Street, Maryborough on November 1.

Hartley, who was released from prison on parole a fortnight ago had been living with his sister Sandy Hartley and her young family in Logan for the past two weeks.

Five police crews swarmed Mackay Harbour near the boat ramp this afternoon where Mr Baumgart was found.

He was handcuffed and taken to the Mackay watch-house where he remains in custody this evening.

Police had issued a warrant for his arrest, saying Mr Baumgart was considered dangerous and warned the public against approaching him.

No charges have been laid at this stage.

Anyone with information about the Maryborough altercation is urged to come forward and phone Crime Stoppers on 1800 333 000 or Policelink on 131 444.