Residents scrambled desperately through collapsed buildings on Sunday searching for survivors as aftershocks rattled the devastated city of Mandalay, two days after a massive earthquake killed more than 1,600 people in Myanmar and at least 17 in neighbouring Thailand. The initial 7.7-magnitude quake struck near the central Myanmar city of Mandalay early on Friday afternoon, followed minutes later by a 6.7-magnitude aftershock. The tremors collapsed buildings, downed bridges and buckled roads, with mass destruction seen in the city of more than 1.7 million people. As dawn broke Sunday, tea shop owner Win Lwin picked his way through the remains of...