Simon Dutton, 49, was wanted on suspicion of a range of drugs trafficking offences.
Three people are arrested on suspicion of murder after a fatal Moss Side stabbing.
Adrian Brown, known as Dre, was stabbed on a street in the Moss Side area of Manchester on Friday.
A hotel guest has been arrested on suspicion of making an explosive device, says Greater Manchester Police.
Greater Manchester Police aims to improve custody detention by opening new facilities this week.
The family of Adrian Brown pay tribute as police name him as the victim of a fatal Moss Side stabbing.
A man has been detained and is in custody, Greater Manchester Police says.
Adrian Brown, known as Dre, was stabbed on a street in Moss Side and died later in hospital.
Kamran Ghafoor discovered the damage at about 02:00 BST after attending a vote count.
