BNP Secretary General Mirza Fakhrul Islam Alamgir has tested Covid-19 positive again.
He received the report at 10am on Tuesday.
Shairul Kabir Khan, BNP Chairperson's media wing member, confirmed the development around 11:30am.
He said that the BNP secretary general was feeling ill since Monday afternoon.
Before this, Mirza Fakhrul was infected with Covid-19 multiple times.