A young partygoer has tragically drowned in a reservoir after being allegedly forced over the edge of a boat following a scuffle. Alexander Avendaño Varela, 22, boarded a party boat at the Peñol-Guatapé Reservoir in Guatapé, Colombia on May 24, but what should have been a fun trip sadly ended in disaster. Disturbing footage shows an altercation taking place on board, for reasons that remain unclear, among a large group of young revellers, reports the Mirror.