Panama international defender, Gilberto Hernandez has been shot dead at the age of 26.   The incident happened on Sunday, September 3, in the city of Colon after gunmen opened fire on a group of people who had gathered in a building in the city. Gilberto Hernández was among them.   Hernández died and seven others were injured in the attack.   The Panama Football League confirmed the news in a statement.   The Panama federation also issued a …