The team were called by Cumbria Police to reports of an overdue cave diver at Lancaster Hole on Casterton Fell, Cumbria. 40 CRO team members and members of the Northern section of the Cave Diving Group (CDG) responded.. As well as searching from the point where the cave diver entered Lancaster Hole downstream passage1, other entrances and possible exits were also searched by team members and a cave diver, in…