Self-exiled former president Mohamed Nasheed has urged "security forces loyal to the nation" to lift the blockade and allow opposition lawmakers to enter the parliament.
Maldives has been hit by fresh political turmoil where soldiers barred the now united opposition lawmakers from entering the parliament complex on Monday.
Opposition lawmakers had stormed the parliament on Monday after police together with the military had locked up parliament to stop the impeachment of parliament speaker Abdulla Maseeh.
Riot police and soldiers then entered the parliament to forcibly drag the lawmakers out.
Nasheed on Twitter accused incumbent president Abdulla Yameen Abdul Gayoom of using the police for personal political gain. The former president warned that president Yameen's actions would tarnish the reputation of the police and cause irreparable harm to the entire nation.
Nasheed also called on the police to end the investigations against several opposition lawmakers and allow them inside the parliament.
Police have launched criminal investigations against several top opposition MPs in the wake of the clashes on Monday while three of the recently disqualified MPs remain in custody.
The now united opposition had wrested parliament control from the ruling Progressive Party of Maldives (PPM) to file a no-confidence motion against the speaker.
Maldives has been ravaged by fresh political strife after all opposition leaders including former presidents Mohamed Nasheed and Maumoon Abdul Gayoom penned a historic treaty to work against the government.
In recent weeks, the opposition has scored major victories after wresting parliament majority from the ruling Progressive Party of Maldives (PPM) with help of government lawmakers loyal to the deposed PPM leader Gayoom and his lawmaker son Faris Maumoon.
The elder Gayoom had a major falling-out with half brother president Yameen which has seen the ruling party split into two factions. The former strongman who ruled the country for three decades before being defeated by Nasheed in the first democratic elections in 2008.