Story highlights Four boys 10 to 17 have been killed in 5 weeks in Bangladesh, authorities say

Public protests occurred after the killing of one boy was recorded and posted on social media

Dhaka, Bangladesh (CNN) Yet another boy has been tortured and killed in Bangladesh, police said.

Mohammad Raja, 17, is the fourth boy between ages 10 and 17 to be beaten to death in just over five weeks. Public protests have erupted across the nation and 13 people were charged in a highly publicized killing that was recorded and posted on social media.

Raja was found badly injured Monday in front of his house in the Hazaribagh area of Dhaka, the capital. He was taken to Dhaka Medical College Hospital and died soon after admission.

"We've received a complaint over the lynching of a boy," said Kazi Moinul Islam of the Hazaribagh police station. "We've already arrested three people who are being interrogated,"

Family members said Raja, a steel shop employee, was picked up by a neighbor who claimed that the boy had stolen a mobile phone set.

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