A British man has been arrested on Spain’s Costa del Sol on suspicion of helping jailed Manchester police killer Dale Cregan.

Marvin Herbert was held on a European Arrest Warrant at a gym in Puerto Banus, near Marbella, by Spanish police.

He is now awaiting extradition proceedings from Madrid to the UK.

Herbert, 41, who was born in Liverpool, is wanted on suspicion of conspiracy to assist Cregan in the murders of father and son David and Mark Short.

Cregan, 30, killed Mark Short in a Manchester pub on May 25 last year, but failed to kill his father, who was in the toilet.

On August 10, 2012, Cregan, with fellow killer Anthony Wilkinson, shot David Short outside his house in Clayton.

After killing the father and son, Cregan went on the run. He was hunted by the police for 39 days before killing two unarmed officers on September 18 last year.

The one-eyed killer lured them to a house in Hattersley, Greater Manchester, with a hoax call. Within an hour he had gunned them down, then threw a grenade at the dying officers.

Greater Manchester Police paid tribute to WPCs Fiona Bone, 32, and Nicola Hughes, 23, on the first anniversary of their deaths on Wednesday.

Two other men have also been charged with helping Cregan.

Samuel Willbye, 28, from Hannet Road, Manchester, and Jack Willbye, 57, from Chapel Street, Herne Bay, are accused of conspiring to assist an offender.

The pair have been remanded in custody to appear at Manchester Crown Court on September 25.

Cregan was jailed for life at Preston Crown Court in June, and was told he would spend the rest of his life behind bars.

Earlier this month, he was moved to maximum-security Ashworth Hospital – where Moors Murderer Ian Brady is serving his sentence – from Strangeways jail in Manchester because of his behaviour.

While in HMP Manchester, he was segregated from other prisoners for fear of reprisals. Reports suggest there is an underworld bounty of £20,000 on his remaining eye.

In protest, Cregan is said to have have started refusing food. He was put in the hospital wing at the jail before his transfer to Ashworth.

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