A 76-year-old man has been sent to hospital after falling on an escalator at a Hong Kong shopping centre, while two other elderly people sustained minor injuries, according to police.The force received a report at 4.19pm on Sunday that three people had fallen on an escalator in phase one of Shek Lei Shopping Centre, leaving the man trapped.He sustained injuries to his arms and legs and was taken to Princess Margaret Hospital.Photos circulating online show fire services and paramedics at the...