A Hong Kong construction worker was killed on Wednesday morning after a wall collapsed during demolition work at a village house in Yuen Long, as labour authorities stepped in to investigate the incident. Police said they received a call at 10.58am that the perimeter wall of a house on Shan Pui Road had collapsed. The wall, measuring about 2 metres (6.5 ft) high, 8 metres long and 1 metre wide, had collapsed during demolition work and crushed a female worker in her forties. She was pulled from...