A crew from Rotherham station attended Warden Street at about 11.40pm on Monday. They were there for about 40 minutes and a service spokeswoman confirmed the cause was thought to be deliberate. READ MORE We need your help. Join our reader panel and tell us what you think of the Advertiser. Click here to find out how. Win a wedding package worth £5,000. Click here. Could your little prince or princess lead our Royal Wedding procession. Click here.