The condition of Sharif Osman Hadi, Inqilab Moncho spokesperson who was looking to run in the upcoming election as an independent candidate, had deteriorated slightly according to primary tests upon reaching Singapore, but is now stable.

Inqilab Moncho's verified Facebook page provided the update in the evening, quoting Hadi's brother who travelled with him as the source.  Hadi is being treated at the Singapore General Hospital. 

It added that he will need another surgery, but Hadi's physical condition is not yet ready for it.

Earlier on Monday, an air ambulance equipped with all emergency facilities for a critical patient, departed Hazrat Shahjalal International Airport carrying Hadi, who was shot in the head from close range in an assassination attempt last Friday, to Singapore for advanced treatment.

The decision to send Hadi abroad for treatment was taken on Sunday.

RAB arrests close aide of main accused in attempted assassination of Osman Hadi

He was shot after Jummah prayer on Bijoynagar Boxculvert road in the capital. He was rushed to Dhaka Medical College Hospital with bullet injuries from where he was shifted to Evercare hospital.

Following the incident, law enforcement agencies launched a series of operations to identify and arrest those involved.

The Dhaka Metropolitan Police earlier said Faisal Karim Masud, alias Daud Khan, a Chhatra League activist with a criminal record. Although he is believed to have crossed the border into India with another suspect with links to the Awami League, who drove the motorcycle from which Faisal/Daud shot Hadi while riding pillion.

RAB and police have already earlier arrested eight suspects for their alleged roles in aiding the shooter.