Dhaka, Dec. 24 -- All those involved in the recent attacks on the offices of media houses The Daily Star and Prothom Alo will be brought to justice, said Chief Advisor's Press Secretary Shafiqul Alam on Wednesday.

Briefing media at the Foreign Service Academy in Dhaka, he reiterated government's condemnation of the attack, saying all perpetrators would be brought to the book. At least 31 people have been arrested so far amid the ongoing investigation.

Responding to a question over the attack, Alam said cases have been filed against all those involved under the Penal Code as well as other relevant regulations, with legal action to take place soon.

The attack on the two leading national papers took place on Dec 18, after mobs vandalised an...