A polio vaccination team narrowly escaped a suicide attack, as the bomber exploded himself in Lakki Marwat district on Thursday, police said. The health workers were vaccinating children in Hathi Khan village. The area was cordoned off by security forces and Lakki Marwat police, who launched a search operation for the arrest of other suspects seen with the suicide bomber. The local police, being close to the scene, reached the place immediately. Lakki Marwat DPO Qasim Ali Khan told this scribe that a local resident was injured in the attack, while the health workers escaped unhurt. He said that all the evidences had been handed over to the Ghuriwala police to pursue the case, adding that the Counter Terrorism Department had registered a case. To a query about the target of the attacker, the official said that in previous cases, the health workers suffered attacks from gunmen but this was the first time a suicide bomber tried to hit a polio team.