At least four people have been killed in two separate explosions at luxury hotels in the Indonesian capital Jakarta, say reports. The country's Metro TV reported that one blast hit the Ritz-Carlton and the other, the Marriott Hotel. Television footage showed the facade of one of the hotels had been torn off by the blast. The BBC's Karishma Vaswani, outside the Marriott, said ambulances are present and security is extremely tight. South Jakarta police Col Firman Bundi said the four who died were foreigners, reported AP. "There were explosions heard from two separate places, one the JW Marriott, the other...