Earlier in September it annulled the results of a first-round vote praised by local and international observers as largely free and fair, agreeing with a defeated candidate who complained that the voters register included made up names and those of dead people.
Police prevented a second attempt at holding an election after the annulment last month, saying officials had failed to obtain the approval of all candidates on a new voters' register as mandated by the Supreme Court.
Maldives, an Indian Ocean archipelago nation known for its luxurious island resorts, has faced much upheaval in the five years it has been a democracy. It institutions such as the courts, police and the bureaucracy have often worked in different directions and been accused of political bias.
Nasheed, who was elected president in 2008 defeating a 30-year autocratic rule by Maumoon Abdul Gayoom, resigned midway through his term last year after weeks of public protests over his decision to arrest a senior judge. His resignation sparked violent protests.
A local inquiry commission dismissed his claim that he was ousted in a coup orchestrated by Maumoon Abdul Gayoom and supported by Hassan.