Hundreds of buildings were damaged or looted, including schools and hospitals, in a wave of unrest after Daniel Chapo was confirmed as the winner of the presidential election.

The US called the electoral process "flawed," while the European Union pointed to "irregularities during counting of votes and unjustified alteration of election results."

Mozambique's top court on Monday confirmed the victory of ruling party Frelimo in the October election, which has sparked massive protests by opposition groups who say the vote was rigged.

Mozambique’s Constitutional Council will declare the final outcome of disputed Oct. 9 elections on Monday, with the opposition leader threatening “chaos” if it confirms what he calls a fraudulent result.

There is a tense atmosphere in Mozambique's capital, Maputo, as the country awaits a court ruling on the outcome of October's contested presidential election result, which when first announced sparked weeks of deadly protests.

By Custodio Cossa MAPUTO (Reuters) -At least 21 people have been killed in unrest after Mozambique's top court on Monday confirmed long-ruling party Frelimo's victory in the election, the country's interior minister said late on Tuesday.

A ruling on Monday confirming that Daniel Chapo had won a disputed election has sparked protests and violence.

At least 21 people were killed on Tuesday as violence intensified across Mozambique following the validation of the ruling party’s victory in the disputed October election, with rioters looting and torching police stations in the gas-rich southeast African nation.