The detective leading the hunt for two Bradford murder suspects today told how the public's co-operation has restored his "faith in human nature."

Detective Superintendent Bob Bridgestock spoke out after releasing details of the men wanted in connection with the brutal killing of have-a-go hero Kevin Jackson.

The 31-year-old died after being savagely beaten and repeatedly stabbed in the head with a screwdriver when he tackled thieves stealing his father-in-law's car in Halifax.

Yesterday, Det Supt Bridgestock took the unusual step of releasing the identities of the prime suspects - 20-year-old Raees Khan and 19-year-old Rangzaib Akhtar - in the hope of tracking them down.

Today he said: "The response we have received to this appeal has been excellent - so much so that it restores my faith in human nature."

He described the public's reaction to the tragedy as "heartening" and added: "It is clear people are appalled and repulsed by the horrific crime and want to do all they can to help."

More than 40 people contacted the specially-formed incident room yesterday, both from within the county and as far afield as London and Portsmouth. Last night a team of 50 officers were working on every lead the inquiry team had received.

Det Supt Bridgestock remained tight-lipped over details of the tip-offs but urged people who had called and found the lines engaged to keep trying until they spoke to an officer.

Raees Khan, 20, was born and bred in Bradford. Up to the time of his disappearance he lived with his family in the Manningham area. Police describe him as 5ft tall, slim and perhaps with a beard.

Rangzaib Akhtar is 19 and was also living in the Manningham area of Bradford with his family until the murder occurred. He is described as being around 5ft 10ins and slim. Both men are thought to be in the North of England.

Mr Jackson was murdered on December 30. He leaves two sons, aged seven and 15 months, and his 33-year-old wife Julie.

Anyone with information on either suspect should call (01422) 337156.