Two civilians including a woman and a child were killed and four others were wounded including two soldiers Thursday when suspected Islamic militants attacked a school with rockets in North Waziristan tribal agency along Afghan border, said security officials. Suspected militants fired several rockets at a school in Mir Ali village at the time when no one was in the school, officials told KUNA.They said the attack on school, currently under Frontier Corps (FC) control, wounded four people including two FC soldiers. Officials said there was an exchange of fire between the militants and security force. They added that in exchange of fire a woman and a child were killed. Officials said security in the area has been beefed up and Mir Ali Bazaar has been sealed. Forces are fighting in the North Waziristan tribal agency for the last few weeks. The operation has killed so far over 100 militants including foreigners.