'Filipino Donald Trump' tops presidential election polls

A foul-mouthed, crime-busting mayor many compare to Donald Trump is the man to beat in the Philippines presidential election as voters weary of poverty, corruption and uprisings in the hinterlands look for a radical change at the top.

Rodrigo Duterte, mayor of the southern Davao city, has led in voter-preference surveys, with a bold promise to wipe out crime and corruption in three to six months if he wins.