Agartala, Nov. 7 -- In a major breakthrough in the Ashabari BSF attack and rifle-snatching case, police have detained three key accused, including Hasina Begum and her two sons, Rabiul Hossain and Mahabul Hossain, five days after the violent incident in Boxanagar under Sepahijala district of Tripura.

According to sources, Rabiul and Mahabul were brought to Ashabari Border Outpost (BOP) from an area under Bangladesh's Salda BGB camp following a flag meeting between the Border Security Force (BSF) and Border Guard Bangladesh (BGB) at around 4 pm on Saturday.

After several hours of questioning, they were handed over to Kalmachhara Police Station at around 7 pm. They are currently in police custody and are being interrogated by Sepahijala S...