LEBANESE authorities have taken into custody 16 individuals as part of an investigation into the Beirut port warehouse explosion that shook the capital, according to state news agency NNA. It quoted Judge Fadi Akiki, a government representative at the military court, as saying authorities had so far questioned more than 18 port and customs officials and individuals responsible for or involved in maintenance work at the warehouse housing highly explosive material that blew up. "Sixteen people have been taken into custody as part of the investigation," NNA quoted Akiki as saying, without naming the individuals. He said the investigation was…