NEW : Death and injury toll increase . The 5.4-magnitude earthquake hits near the Myanmar border . It kills at least 1,129 people, injures more than 6,700 others, displaces nearly a million people in its path. Rescuers scramble to reach trapped residents .
NEW : Death and injury toll increase . The 5.4-magnitude earthquake hits near the Myanmar border . Scores of people are injured , the civil affairs ministry says . Rescuers scramble to reach trapped residents .