<p>Thane: A 10-year-old boy was killed and two other children were seriously injured after the boundary wall of a school in Kalyan area of the district collapsed on Friday, police said.</p>.<p>The incident took place near KBK International School in Kalyan's Balyani locality.</p>.<p>As children were playing in the adjacent lane, the boundary wall of the school collapsed, said Yasin Tadvi, chief of the Disaster Management Cell of Thane Municipal Corporation.</p>.Rock collapse at Indonesia quarry kills at least 10 people.<p>The deceased child was identified as Hansraj Mahendra Singh. Abhishek Rajesh Sahani (10) and Shoaib Sheikh (10) were undergoing treatment at a hospital.</p>.<p>Authorities are investigating the cause of the wall collapse, said a police official. </p>
<p>Thane: A 10-year-old boy was killed and two other children were seriously injured after the boundary wall of a school in Kalyan area of the district collapsed on Friday, police said.</p>.<p>The incident took place near KBK International School in Kalyan's Balyani locality.</p>.<p>As children were playing in the adjacent lane, the boundary wall of the school collapsed, said Yasin Tadvi, chief of the Disaster Management Cell of Thane Municipal Corporation.</p>.Rock collapse at Indonesia quarry kills at least 10 people.<p>The deceased child was identified as Hansraj Mahendra Singh. Abhishek Rajesh Sahani (10) and Shoaib Sheikh (10) were undergoing treatment at a hospital.</p>.<p>Authorities are investigating the cause of the wall collapse, said a police official. </p>