DAR ES SALAAM (Reuters) – Weeping relatives of the 19 people who died when a plane crashed into Lake Victoria in Tanzania filed past a row of coffins in the lakeside town of Bukoba on Monday as religious and political leaders gathered for a ceremony to honour the victims. Flight PW494, operated by Tanzanian airline Precision Air and carrying 43 people, hit the water in stormy weather as it tried to land at Bukoba airport early on Sunday morning, arriving from the capital Dar es Salaam. Transport Minister Makame Mbarawa told mourners gathered in a stadium that the weather had abruptly changed f…