पाकिस्तान में धमाका, कार बम से पुलिस चौकी पर बड़ा हमला; 15 पुलिसकर्मियों के मारे जाने की आशंका

At least three officers have been killed in a massive gunbattle following a car bomb blast at a police post in northwestern Pakistan, according to police and security sources.