G8 leaders are gathering in Northern Ireland - but differences between Russia and the US over what to do on Syria are already looming large.
A power vacuum is left behind from wherever America retreats, leaving opportunities for plenty to take advantage of. Yet this will strengthen the position of the US in the end, says DW's Miodrag Soric.
EU leaders agreed to embark on fresh sanctions for Russia at a special meeting in Brussels on Saturday. But their actual powers will be worked out by the European Commission next week.
The US Secretary of State has called for a global coalition to fight the threat posed by "Islamic State" militants. The plea follows a decision by Britain to increase the perceived threat of a jihadist attack in the UK.
Britain's Labour Party has accused David Cameron's government of making conflicting statements on the UK's planned involvement in the Iraq crisis. But some experts believe there are good reasons for this vagueness.
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