The Mountain Bothies Association are warning of a big hole that's appeared on the Pennine Way near Greg's Hut bothy in the North Pennines, under the summit of Cross Fell .

From their website :

'There has been subsidence on the Pennine Way (bridle path) at Grid Reference NY69585 35515 (Garmin sat nav). Approximately 500 metres to the east of Greg's Hut.'

'This subsidence is a significant risk especially at night or in bad weather and would affect any fell rescue vehicles. The vertical side of the hole consists of old mining spoil and is likely to be very unstable. The width of the hole is estimated between 3 to 4 metres and is of a similar depth.'