Polls have opened in Spain after the four main parties failed to break the political deadlock from December's inconclusive general election, the BBC reported on Sunday.

Opinion polls have suggested that Sunday's election may still not overcome the stalemate.

The conservative Popular Party (PP) is tipped to win, but to fall short of a parliamentary majority.

Polls indicate the left-wing Unidos Podemos alliance is edging ahead of the Socialists (PSOE) for second place.

The two could potentially form a broad left-wing coalition.

The center-right, pro-business party Ciudadanos (Citizens) is forecast to take fourth place. 

Source ; MENA