Dhanish Ali and three others have been futher remanded until 26 August.
Colombo Fort Magistrate Thilina Gamage issued the order today (12) when the case was taken up at court.
The suspects were remanded on charges of trespassing into the Presidential House and damaging property.
The Fort Police had requested the court to further remand the suspects as investigations related to the incident are still being carried out.
The Magistrate accepted the request and ordered the suspects to be remanded for two more weeks.