Portugal's centre-right Democratic Alliance (AD) won an early parliamentary election on Sunday, but again fell short of the full majority needed to end a long period of political uncertainty, while the centre-left Socialists and far-right Chega were nearly tied for second place.

Portugal's governing right-of-centre Democratic Alliance has won snap parliamentary elections - the third in as many years - again falling short of a majority. Its leader Luís Montenegro promised supporters to "stimulate investment" and to "guarantee prosperity and social justice".

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),