This is why there was a large police presence in Sheffield today
Officers seen travelling in a convoy of police cars through Sheffield this morning were responding to concerns about a man spotted walking along railway tracks in the city, it has emerged.
The alarm was raised after a man was seen on tracks between Aston Street and the Team Knowhow officers in Wybourn at around 9am.
Concerns residents said they saw a convoy of police cars travelling through the city and the police helicopter in the air.