Powerful blast strikes Afghan poll candidate's office

A powerful blast rocked the campaign office of Afghan parliamentary poll candidate Abdul Jabbar Qahraman in Helmand province's Lashkar Gah area on Wednesday.

A powerful blast rocked the campaign office of Afghan parliamentary poll candidate Abdul Jabbar Qahraman in Helmand province's Lashkar Gah area on Wednesday, Xinhua news agency reported.

There might casualties, authorities said.