A magnitude-7.1 earthquake shook southern Chile, prompting tens of thousands to flee the coast for higher ground amid fears it could generate a tsunami like the one that ravaged the area last year.

Two buses packed with holidaymakers crashed head-on in south-eastern Colombia, killing at least 20 people and injuring 30 others, police said.

At least two people were killed and 30 others were wounded when an unidentified man tossed two hand grenades inside a southern Philippine mosque packed with worshippers.