Western nations have agreed on more economic sanctions against Russia, but the energy sector is a delicate issue, says Theresa Fallon, director of the Centre for Russia Europe Asia Studies.

Inflation in Turkey has soared to nearly 49 percent - the highest level in two decades. It's another sign that President Recep Tayyip Erdogan's unorthodox monetary policy may not be bearing fruit. Also in the show: as energy prices surge, British authorities unveil more financial aid for electricity bills, and Facebook shares plunge as it reports a drop in user numbers for the first time.

Six months ago, DR Congo President Felix Tshisekedi placed North Kivu and Ituri – two provinces in the east of the country – under "a state of siege", effectively imposing martial law in a region that has been rocked by conflict for decades. Today, although the government claims that hundreds of armed militiamen have surrendered, massacres continue and security forces face mounting criticism. In the city of Beni, the justice system has ground to a halt and crime has soared. Our correspondents report.

Lady Gaga soars over Super Bowl stage with bow to inclusion, announces world tour after set.