A CCTV appeal has been issued amid investigations into a dog walker and his son being 'threatened with a shard of glass' in north Manchester

Police said the incident was reported at around 7:10pm on September 11, when a man walking his dog in Bellot Street dog park was 'approached by a man acting suspiciously'.

The victim then contacted his son, who came to assist along with a friend, when the suspect then followed the group back towards Winterford Road, where 'verbal threats' were made.

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The man is then seen on CCTV holding a shard of glass wrapped in tape while threatening the group before he made off from the scene, police said. View Image

Despite a police search, the man was n

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