In Gujarat, at least six people killed and 15 others injured after a luxury bus hit a trailer on the Ahmedabad-Mumbai national highway on the outskirts of Vadodara in the wee hours of today.<br />''<br />''AIR correspondent reports that the accident took place around 4 am today when a luxury bus going from Bhilwada towards Surat hit a trailer at Kapurai chaukdi on the Ahmedabad Mumbai highway.<br />''<br />''Four people died on the spot and two people died during the treatment at SSG hospital. At present, around 15 people are under treatment at SSG hospital. <br />