Europe As Britain gears up for election, a lot more players on the stage

The two-party battle that used to dominate is fraying as political dynamics get more diverse and competitive. Parliamentary elections are May 7.

Alastair Grant/AP

Britain's general elections used to be straightforward: a predominantly two-horse race between Labour or Conservative governments, left vs. right, red against blue. But as electioneering gets under way for May 7 polls, it's clear the vote has implications for British politics that extend well beyond whoever comes out on top.