Police are investigating whether an attack on three young women and a crash in Halifax town centre are linked.
Officers were called to reports the three women had been assaulted outside McDonalds at 6.55am yesterday.
Just a few minutes later, at 7.02am, an accident on Great Albion Street was reported.
A car had crashed into street furniture.
A man has been arrested in connection with the crash on suspicion of drink driving,
He was being questioned at Halifax police station yesterday.
Anyone with information about either incident should call Calderdale Police on 0845 6060606.
Details can also be passed on via CrimeStoppers, where information can be received anonymously, by calling 0800 555111.