Engine fell off UPS cargo plane before Kentucky crash that killed 12

The death toll from a cargo plane crash in the southern US state of Kentucky rose to 12 on Wednesday, with investigators saying the accident was caused by one of the engines catching fire and detaching during take-off.
The McDonnell Douglas MD-11, operated by package delivery giant UPS and bound for Hawaii, crashed at 5.15pm Tuesday, shortly after departing from Louisville Muhammad Ali International Airport.
It exploded into flames as it slammed into businesses adjacent to the airport, killing…