The meeting came as Ukraine said its forces had captured 10 Russian soldiers in eastern Ukraine.
Many of the hacked tweets criticised Russian government policies.
US President Barack Obama has sent a letter to his counterpart Vladimir Putin on the issue.
Minorities in Russia disagree with 90 percent of the country who support Putin’s political policies.
Russia needs to know that action will follow if there isn’t a radical change in the way they behave: Cameron.
Putin and Merkel want a thorough and objective investigation of all the circumstances of the downing of MH17.
Narendra Modi may soon find that there are costs associated with India’s “privileged” partnership with Russia.
Russian President Vladimir Putin urged the two warring sides to hold peace talks as soon as possible.
Obama also called Malaysian Prime Minister Najib Razak to express condolences and offer US support.
Many of his ideas, like the one on a BRICS University, found mention in the declaration.
The two leaders met for 40 minutes on the sidelines of the BRICS summit.
Hillary Clinton: His latest aggression in Ukraine must be answered with a joint reaction by the West.
Relations between Russia and the U.S. have deteriorated as the two countries have struggled to find common ground in Ukraine.
Moscow has denied direct involvement in the conflict, although some of the militants are believed to be Russians.
Putin needs to show his support for Poroshenko’s peace plan ahead of the European Union’ summit on Friday to avoid further Western sanctions.