A man was robbed as he walked home on Saturday morning (March 9).
He was near the level-crossing on Southgate Road at 4am when someone demanded his phone.
The victim shouted for help and fell over, cutting his hands.
The thief demanded the phone again which was handed over.
He was described as male, black, slim and wearing black clothing with a hood and balaclava.
Call police on 101 quoting 0244 of 09/03.