Dhaka, Dec. 21 -- Senior BNP leader Salahuddin Ahmed has warned of the emergence of "dark forces" in the aftermath of recent unrest, saying its nature has become evident over the past few days.

Speaking at a discussion with editors and media heads on Sunday, he called for the "full cooperation" of the press to preserve national unity.

"Everyone here has mentioned the rise of this dark force, and Mati Bhai (Prothom Alo Editor Matiur Rahman) has publicly acknowledged it," Salahuddin said.

"Since Aug 5 last year, we have observed its form, actions and public manifestations over the past few days. It has become visible. Therefore, national unity must be maintained, and the media must remain alert and play a responsible role."

He added, "Y...