Russian President Vladimir Putin cancelled a foreign trip Sunday, a day after two female suicide bombers killed more than a dozen people at a Moscow open-air rock festival. Memorial services were held Sunday for some of the victims. Worshippers lit candles at Moscow’s Christ the Saviour Cathedral. Putin, who had been planning to visit Uzbekistan and Malaysia, issued condolences to the families of those who died. Fifteen people, including the bombers, were killed in the blasts at the gates of the Tushino airfield. Another 48 people remain in hospital. The attacks came hours after Putin signed an order authorizing an October election in Chechnya. Rebel attacks have undermined Putin’s efforts to stabilize the breakaway region. Full Story