New Delhi, March 31 -- The death toll from Myanmar's biggest earthquake in a century reached 2,056 as chances of finding more survivors dimmed with the end of a critical 72-hour rescue window, and aid efforts remained hampered by an ongoing civil war.

More than 3,900 are injured and nearly 270 people still missing after the 7.7-magnitude earthquake struck Myanmar's second-largest city of Mandalay and neighboring regions a little before 1 pm on March 28, according to the State Administration Council spokesman Major General Zaw Min Tun. Local and international rescue teams continue to carry out efforts to save lives, he said.

The quake and subsequent aftershocks devastated swathes of a civil war-stricken country that has been controlled b...