Detectives have arrested a 40-year-old Keighley man on suspicion of the murder of 16-year-old Yasser Hussain Nazir.
The man was interviewed by detectives and bailed to appear at a police station at a later date.
Yasser, of Chatsworth Street, Keighley, was shot in the head at close range at a Shell petrol station in Haworth Road, Chellow Heights, at about 1.40pm on Wednesday, September 5.
A green Honda Accord pulled up alongside the Vauxhall Astra he was driving and two shots were fired into the car.
After the murder, the Honda was driven two miles to Westcroft Road, Great Horton, where it was left unattended for some time. By midnight, the car had been taken to Grange Road Primary School in Spencer Road where it was set on fire.
Yasser's brother Mohammed Sadique, 24, revealed the family had received telephone threats from a man about a week after Yasser's murder.
Two men, aged 27 and 29, from the Heaton area, and a 31-year-old from Derby, have already been arrested in connection with Yasser's murder and released on bail pending further inquiries.
A 21-year-old Skipton man is due to appear at Skipton magistrates tomorrow charged with witness interference in relation to the police inquiry.
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