A sixth person has been arrested on suspicion of murdering a taxi driver who was shot dead in 1994 in what police called an “execution”.

Ethsham Ul-Haq Ghafoor, 26, was killed in his taxi on November 22 1994 with his hands tied and bound to the steering wheel.

The father of a five-year-old son, known to friends and family as Shami, was found by a milkman at 4.30am at Lambley Lane Playing Fields in Gedling, Nottinghamshire.

A 43-year-old man from the Sneinton area of Nottingham was arrested on Tuesday and has been released on bail pending inquiries, Nottinghamshire Police said.

Four men – aged 64, 57, 52 and 51 – and a woman aged 47 were arrested from the Sneinton and Bakersfield areas in November and were all released while the investigation continues.

Mr Ghafoor, of Sherwood Rise in Nottingham, was last seen in Carlton Square in his black-and-white Ford Sierra at about 2.40am, police said.

The father, described by family as “an outgoing, charming and kind man”, was killed five months before the birth of his daughter.

Detective Chief Inspector Clare Dean, who is leading the investigation, said: “The investigation is continuing at pace and we would like to personally thank the local community for coming forward with information and the media for sharing our appeal.

“So far, we have arrested six people on suspicion of Shami’s murder.

“We believe the answer to Shami’s murder still lies within the community and would encourage anyone with information who has not already been in touch to please come forward.

“Shami’s family are desperate for answers and you could be sitting on a key piece of information in this investigation.

“Crimestoppers is offering up to £50,000 reward as an extra incentive. This is a huge reward for information that leads to conviction.

“Information to Crimestoppers can be submitted completely anonymously.”