Eighteen rocket shells were recovered from Satchhari forest area of Chunarughat upazila in Habiganj on Wednesday.
Members of Border Guard Bangladesh (BGB) recovered the shells during a drive that started last night and continued till 12pm today.
Lt Col SNM Samiunnabi Chowdhury, captain of BGB Battalion-55, confirmed the matter to media.
However, none has been detained so far in this connection, he said.