BEIRUT—At least 10 times over the past six years, authorities from Lebanon’s customs, military, security agencies and judiciary raised alarm that a massive stockpile of explosive chemicals was being kept with almost no safeguard at the port in the heart of Beirut, newly surfaced documents show.
Yet in a circle of negligence, nothing was done—and on Tuesday, the 2,750 tons of ammonium nitrate blew up, obliterating the city’s main commercial hub and spreading death and wreckage for miles around.