DETECTIVES have been given more time to quiz four men arrested over an execution-style murder.

The men, from Tingley, Wakefield, Morley and Leeds, are being held at police stations across West Yorkshire on suspicion of conspiracy to murder Christopher Hartley.

The 45-year-old was shot and left on Litherop Lane in High Hoyland, near Clayton West, on Tuesday, September 8.

Police yesterday arrested men aged 35, 44, 41 and 51.

They were given a time-extension on Wednesday morning.