BNP Secretary General Mirza Fakhrul Islam Alamgir has gone to Thailand on Wednesday (May 15) for treatment.
He along with his wife Rahat Ara Begum boarded a Biman Bangladesh flight on Wednesday morning, his personal assistant Yunus Ali told Bangla Tribune.
Sources said that he might be back in the country on May 23.
Previously on Feb 4, Fakhrul went to Singapore for health reasons and received medical care at Singapore National University Hospital.