A powerful blast rocked Jalalabad city, the provincial capital of eastern Afghan province of Nangarhar on Monday morning, with feared casualties, local media reported.

According to the report by private TV Lemar, the explosion happened at around 7:00 a.m. local time near the city's airport.

There are no immediate reports of casualties, the report said, adding "Several vehicles had been damaged in the Monday morning's blast near the Jalalabad city airport."

Meantime, unofficial sources in the province told Xinhua that the blast was a suicide bombing and that the explosion left two people including a policeman injured besides killing the bomber right on the spot.