GAZA, Dec. 19 (Xinhuanet) -- An unmanned Israeli aircraft fired at least three missiles at a group of Palestinians in Jabalya refugee camp in northern Gaza on early Sunday, Palestinian officials said.

    According to medics, a number of residents were lightly injured and were all taken to hospitals for treatment.

    The airstrike came hours after Palestinian militants fired three rockets into the southern Israeli city of Sderot.

    Ezel Din Al Qassam Brigades, the armed wing of Hamas, claimed responsibility for the attack.

    Israel Radio reported that three Israelis were lightly wounded by rocket shrapnel and suffered from shock when one of the Qassam rockets hit a main intersection in the city.

    The radio added that a chicken coop was damaged in the attack. Enditem