INDIA-OVERPASS COLLAPSE — Rescuers in Kolkata dig through large chunks of debris from an overpass that collapsed while under construction, killing at least 22 people and injuring scores of others in trapped cars, trucks and other vehicles. 

MYANMAR-POLITICS — The party of Aung San Suu Kyi submits a proposal to parliament to create a new position for her as "state adviser," which would allow her to have a powerful hand in running Myanmar. 

NUCLEAR SUMMIT — Working to display a united front, the United States and key Asian countries will seek Thursday to put more pressure on North Korea as world leaders open a nuclear security summit in Washington. 

UNITED STATES-ASIAN LEADERS-GLANCE — A number of Asia-Pacific leaders are traveling to Washington for this week's nuclear security summit. They will be discussing how to stop terrorists from making an atomic explosive or dirty bomb, amid concern that the Islamic State group aspires to such a weapon. It is also a chance to discuss other issues and burnish their international standing. A look at the presidents and prime ministers and what will be on their national agendas. SENT: 700 words.

JAPAN-NUCLEAR-ICE WALL —The operator of Japan's destroyed Fukushima nuclear plant switches on a giant refrigeration system to create an unprecedented underground ice wall around its damaged reactors to stop leaks of radioactive water. By Mari Yamaguchi. 

AFGHANISTAN-TALIBAN — Senior members of the Afghan Taliban say a prominent figure within the militant group who had opposed its new leadership has now pledged his allegiance, helping to close divisions within the Taliban ahead of possible peace talks with the government.