The last remaining accused was arrested in Delhi, hours after the fourth accused was held in Mumbai, ending a three-day hunt that followed the horrific sexual assault of the photojournalist. "The case will be tried in fast-track court to ensure speedy justice to the victim," Chavan told reporters in Pune. Mohammad Salim Ansari, 27, was nabbed at Bharat Nagar in north Delhi, a Delhi Police official told IANS.