Hedge End depot fire destroys coaches and mini buses 30 December 2012 Last updated at 10:59 Three coaches and three mini buses have been destroyed in a fire at a depot near Southampton. Another coach was partially damaged in the blaze on Upper Northam Drive, Hedge End on Saturday evening. Crews from Hightown, St Mary's and a water carrier from Eastleigh tackled the flames after the fire started at 17:45 GMT. The cause of the fire is not yet known and owners are yet to fully assess the extent of the damage. Meanwhile, investigations continue into a fire at a derelict industrial building in Liphook on Saturday morning. Police are treating the fire at Fairfield Graphics in Station Road, which started at 03:00 GMT, as suspicious. An appeal for witnesses has been issued by Alton CID.