Google has set up a person finder website for those looking for people following the explosions at the Boston Marathon. Those with information about individuals can also leave information on the site.
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Two students and their climbing instructor are feared dead after an avalanche hit a school party in Japan.
The US has strongly condemned Russia's treatment of protesters after the largest anti-government protests in years swept the country.
Prosecutors in South Korea are seeking a warrant to arrest former president Park Geun-hye on corruption allegations.