A strong aftershock has rocked Haiti, sending screaming people running into the streets, eight days after another quake devastated the country.

The extent of the damage is not yet known. The magnitude 6.1 tremor struck west of Port-au-Prince at 0603 local time (1103 GMT).

An estimated 200,000 people died in last Tuesday’s quake and another 1.5 million were made homeless.

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