India News : A Superintendent of Police along with his driver and three security guards was killed in a Naxal attack in Jharkhand's Pakur district today.br br Pakur SP Amarjit Balihar, a 2003 batch IPS officer, his driver and the guards were ambushed by the Naxals when they were returning to Pakur, after attending a meeting in Dumka, a senior official said.