I also cross Hob Moor every day to run or cycle to and from work and have never seen anyone attacked by a dog (Moor dog dangers, Letters, March 20.

The greatest threat I have ever come across is ambling sixth-form students, who seem incapable of walking in a straight line or in groups of less than four. Oh, to be 18 again and not have to rush anywhere.

David Long
Howe Hill Close, York.