The German authorities have summoned the US ambassador in Berlin after a man was arrested on suspicion of spying. The US diplomat "was asked to help in the swift clarification" of the case, the foreign ministry said. German officials confirmed the arrest but released no other details. US-German ties were strained after allegations last year that the US National Security Agency (NSA) bugged Chancellor Angela Merkel's phone as part of a huge surveillance programme.

When Prime Minister Narendra Modi flies to Brazil mid-July, it will be a welcome respite from the heat and cacophony of post-budget Delhi. President Dilma Rousseff's grand welcome to the sixth Brics summit will be energising. The summit's pomp and ceremony will, however, be less important than Modi's 'side meetings', especially with Chinese president Xi Jinping. It will allow him to take measure of the man who has emerged as one of the most powerful and ambitious leaders of modern China.

If you’re a Russian citizen these days, it is easier than ever to support the insurgency in eastern Ukraine, now nearly three months old.  With the click of a mouse, you can transfer money through Sberbank – Russia’s largest bank, which is government controlled – to grassroots organizations supplying separatist rebels with weapons and personnel.

A senior Iraqi official pointed out that the latest support from Moscow demonstrated America's diminished role in the conflict. "The American influence is getting sidelined ... due to the lack of security and military support to the Iraqi government and people in its war of survival," the official told Foreign Policy.

Amid mounting criticism of its actions against Ukraine, Moscow is stepping up efforts to repair its image and make its voice heard in Europe, with Russian-funded think tanks and media on the ground working hard to woo Europeans.

China and Russia are fighting a heated war with the United States. It is an intense battle of words and ideas fought between state-sponsored broadcasters, on the airwaves, and online.