A case has been filed and the investigation is underway, said police
A police official was killed and four others were injured when terrorists threw a grenade on them near Nishat park in Bandipora district of Jammu and Kashmir, said the police.
The injured personnel were evacuated to a hospital but one of them succumbed, a police spokesman said.
"At about 1700hrs, terrorists hurled a grenade on a joint party of police and BSF in Bandipora resulting in martyrdom of one police personnel and injuries to four other police personnel," said the spokesman.
The condition of the other injured personnel is stable, he added.
The policeman killed in the line of duty was identified as Zubair Ahmad.
A case has been filed and the investigation is underway to establish the full circumstances of this terror crime, the spokesman said.
He said the area has been cordoned off and a search operation is in progress to trace the attackers.
Political parties and leaders condemned the attack.
National Conference president Farooq Abdullah said violence is always unacceptable and will yield nothing except further death and destruction.
"The vicious cycle of death has caused much loss to human lives in J-K while devastating the socio-economic conditions of the people during the last over three decades. My heartfelt sympathies are with the kin of the slain cop. I pray for the fast recovery of all injured," he said.
National Conference vice president Omar Abdullah said, "I unequivocally condemn the cowardly act of violence. I send my heartfelt condolences to the bereaved family of the slain cop. I also pray for the speedy recovery of all those who have sustained injuries."
PDP president Mehbooba Mufti also condemned the attack.
"Condemn today's attack on police personnel in Bandipora & condolences to the family of Zubair Ahmed killed in the line of duty," she wrote on Twitter.