New Delhi, April 28 -- Spain, Portugal have been hit by a widespread power outage on Monday, leaving millions without electricity. Parts of France temporarily lost power following the outage, as per French grid operator RTE.

Play has also been suspended at the Madrid Open owing to the outage. British tennis player Jacob Fearnley was forced to leave the court when play was halted, reported the BBC.

In Libson, card payments are currently not being accepted, with citizens lining up in long queues at cash points.

Balearic and Canary Islands, however, do not appear to have been affected. Local reports say there are traffic jams in the centre of the Spanish capital, Madrid, due to traffic lights not working.

Spain's national railway company...