Syria crisis dominates G20 summit

US president Barack Obama has arrived in Russia for a G20 summit overshadowed by a possible confrontation with foreign leaders sceptical of his call for an international military strike against Bashar Assad’s government.

Mr Obama began a two-day visit to St. Petersburg for the G20 economic summit, putting him in the same country as National Security Agency whistleblower Edward Snowden for the first time since the American fugitive fled to Moscow earlier this year.