Indonesian leader travels to earthquake zone after visiting flood-hit region

President Joko Widodo, centre, visiting quake-hit Mamuju, West Sulawesi (Indonesian Presidential Palace via AP)

Relief workers are struggling to clear the rubble of collapsed buildings on an Indonesian island where a strong earthquake killed at least 90 people and left thousands homeless.

The 6.2 magnitude earthquake on Friday was one of a series of recent disasters to hit Indonesia.