Spain's ruling PP seen winning general election, Podemos falls-poll

Upstart leftist party Podemos would come third, but its support is seen dropping to 16.5 percent from 23.9 percent in January.

Other newcomer Ciudadanos would come fourth with 13.8 percent, up sharply from 3.1 percent three months ago. (Reporting by Julien Toyer; Editing by Paul Day)