Portugal’s ruling center-right Democratic Alliance (AD) won a snap parliamentary election on Sunday but again fell short of the majority needed to end a long period of instability as the far-right Chega gained a record share of the vote.

The extremist Chega party obtained as many MPs as the Socialist Party, but is expected to surpass it once the overseas votes are counted. The conservative Luis Montenegro is expected to remain prime minister.

A historic shift to the right has overshadowed the victory of Prime Minister Luís Montenegro's conservatives in Portugal's snap parliamentary election on Sunday. With nearly all votes counted, the far-right party Chega was in a neck-and-neck race for second place with the Socialist Party (PS),