pA burst water pipe caused localised flooding around the River Lea in Clapton on Wednesday, October 3, submerging some cars, flooding properties, and making it difficult for some residentsa to leave their homes.ppThames Water said around midnight that it was aware of the burst main, and that it had engineers on site from around 3 am.ppVideo here shows cyclists near Lea Bridge crossing a torrent of water as it enters the river.