Delhi Chief Minister-designate Arvind Kejriwal Friday condemned the attack on a Christian school here. "I strongly condemn the attack on Holy Child Auxilium school. These kind of acts will not be tolerated," Kejriwal said in a tweet. Some unidentified people barged into the premises of Holy Child Auxilium school in south Delhi`s Vasant Vihar. They ransacked the office of the school principal and damaged some CCTV cameras installed in the school premises.