KHULNA: The Coast Guard rescued four fishermen held hostage by the notorious Samrat Bahini pirate group in the Sundarbans during a special operation near Arbania Canal along the Shibsa River in Khulna on Sunday.

KHULNA: The Coast Guard rescued four fishermen held hostage by the notorious Samrat Bahini pirate group in the Sundarbans during a special operation near Arbania Canal along the Shibsa River in Khulna on Sunday.