India, July 30 -- At least four terrorists were killed and several injured during a joint counter-terrorism operation in Pakistan's Khyber Pakhtunkhwa province, police said on Wednesday.

An Elite Force constable was killed during the exchange of fire in the Shalkho Sar area of the scenic Swat district late Tuesday night. Elite Force of the Khyber Pakhtunkhwa police is a specialised unit of 6,000 for high-risk security and counter terrorism operations.

The joint operation by Swat Police and the Counter Terrorism Department (CTD) was conducted under the direct supervision of the Regional Police Officer (RPO) Malakand, the District Police Officer (DPO) Swat, and the Brigade Commander Swat, a police spokesman said.

The security personnel t...