A campaign has been launched to ban NGO Maldivian Democracy Network.
Key pledges include housing for 20,000 families and five tertiary hospitals.
Scientists expected to find dead and dying reefs.
The event was part of weeklong activities to mark Tourism Day.
26 buildings were evacuated in the densely-packed residential neighbourhood.
Seven men suffered burns but escaped without serious injuries.
Some buildings needed to be demolished.
Lawmakers baulked at detaining suspects for 48 hours.
Arrivals reached 1.1 million by the end of August.
Seven cases were filed at the criminal court on Sunday.