A major road has been closed due to an ongoing police incident.

All four lanes on the M8 westbound at the Clyde Tunnel junction 25 have been closed for more than an hour.

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Traffic is currently being turned around as emergency services, including a helicopter, attend the scene.

All four lanes on the M8 westbound at the Clyde Tunnel junction 25 have been closed for more than an hour.

Reports have suggested a man can be seen lying on top of the motorway gantry.