MOHMAND AGENCY - At least four personnel of security forces sustained injuries when landmine went off in Qandaro area of tehsil Safi, Mohmand Agency, sources said Sunday. They said a landmine, planted by militants in Qandaro area of tehsil Safi here, exploded adding that resultantly four personnel of the forces, who were on duty there, sustained injuries. They said all the four injured were shifted to hospital while the forces launched a search operation in the area. However, they added, no arrest was made till filing of this report. Meanwhile, 14 militants surrendered to the political administration in tehsil Pandyali, Mohmand Agency, on Sunday. They were wanted in various incidents of violence. They gave surety to the political administration that they would remain peaceful. Two persons including a woman have seriously injured when a speedy flying coach bearing registration number MN-2665 and a coaster, DIRC-1960, collided with each other here at Malakand Top on Sunday.