REDDITCH police are investigating the possibility a substance on Winyates Green roads caused two cars to collide with lampposts on Monday.
Officers are also seeking witnesses to the incidents, which took place at about 5.40pm.
The first involved a red Ford Escort in Abbotswood Close and the second an Austin Mini in Far Moor Lane.
Both drivers, Redditch men, were shaken but not hurt.
Witnesses can call Pc Millward on 584888.
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