The students of Government Higher Secondary School Pulwama earlier in the day staged a protest at Main Chowk demanding release of their school mates.
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At least 20 students were arrested during a raid last night, the protesters alleged.
The protesting students also set ablaze a bike and pelted stones at the security force and their vehicles.
The Valley has been witnessing a situation of unrest in the recent times with incidents of stone pelting and protests by youth increasing by each passing day