HOW COULD THEY B SO CARELESS?
"...-western
city of Xi'an, Shaanxi province, said on Saturday that
two maintenance workers turned off the power source
on 30 January in a residential building after they were
called to check on a glitch. However, they failed to
check if anyone was inside the elevator.
..."
http://www.theguardian.com/world/2016/mar/06/woman-found-dead-in-elevator-30-days-after-power-cut-off-by-building-workers