Jammu, June 10 -- Two border security force personnel were injured after a bus carrying security personnel for deployment on Amarnath Yatra duty collided with two other vehicles on the Jammu-Srinagar national highway (NH) in Ramban district on Tuesday, officials said. Assistant sub-inspector Sanjeet Kumar and head constable Arveen Kumar suffered minor injuries in the accident and were evacuated to Ramban district hospital for treatment, the officials said. Police have initiated an investigation. A police officer said that the bus, carrying BSF personnel first collided with a passenger vehicle, a Maruti Ertiga, and then hit a tractor-trolley at Peerah on the highway. The accident caused a brief disruption of traffic on the Jammu-Srinagar national highway, with the affected stretch remaining partially blocked for some time before being restored for normal traffic movement....