INDIA-GOLDEN TEMPLE-POLLUTION — The chronic air pollution blanketing much of northern India is now threatening the holiest shrine in the Sikh religion, making the once-gleaming walls of the Golden Temple dingy and dull. 

UNITED STATES-ASIAN LEADERS-GLANCE — Snapshot of Asian leaders attending nuclear summit in US. 

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. 

JAPAN-NUCLEAR-ICE WALL — What's an ice wall and will it work? The operator of the destroyed Fukushima nuclear plant activated a costly last resort Thursday to try to stem the underground flow of radioactive water from the plant. Use of one so huge is untested. 

TAIWAN-KNIFE ATTACK — Police are investigating the beheading of a 3-year-old girl who was grabbed from behind by an assailant as she waited with her mother outside another subway station in the capital. A 33-year-old is in custody. 

SKOREA-PROSTITUTION LAW — South Korea's constitutional court is to make a ruling on whether anti-prostitution law is constitutional.

CANBERRA, Australia — The Australian government warns its citizens against traveling to the Turkish cities of Ankara and Istanbul because of the terrorist threat.