saw numerous flashes across the sky for hourswalking dog on the beach and saw a hellicopter observed it for 10 mins then saw a flash across the sky in my perifriel vision then another a couple mins later then one where i was directly looking several minutes later so observed the sky for hours seeing one or 2 every 5 mins or so but activity slowed down after 4 am, all were flashes across the sky up quite high but 2 or 3 times there was a low flying one that may have been circular but could only c them when they flashed across the sky from a standing start the low flying flashes were quite amazing almost looked like they left a vapour trail they may have been only a few 100 meters off the ground where as the majority of them looked a couple miles up.((NUFORC Note: Witness elects to remain totally anonymous; provides no contact information. PD))