Lubumbashi / AFP Soldiers sealed part of DR Congo’s second city and carried out mass arrests of young men on Thursday, residents said, as talks to defuse the country’s explosive political crisis were set to continue. Protests and deadly clashes have erupted in the vast country over President Joseph Kabila’s refusal to step down at the end of his …

  Istanbul/ AFP Turkey on Thursday vowed to press on with the fight against “terror”, a day after 14 Turkish soldiers were killed by extremists in an intensifying battle for a flashpoint Syrian town, Ankara’s biggest loss of its Syria campaign so far. The soldiers were killed in a succession of attacks by IS extremists around the town of Al-Bab …

  WhiteOps, a US cybersecurity company, says it has uncovered the biggest online advertising scam ever, operated from Russia and making between $2.6 million and $5.2 million a day —as much as four times what the New York Times makes from advertising. The announcement should be a warning to anyone entrusted with a corporate budget to spend on online marketing: …