Chile's President Michelle Bachelet was evacuated from her hotel in the northern city of Arica after a strong 7.8 magnitude quake triggered a tsunami alert.
She was visiting the area assessing damages after a massive 8.2 magnitude quake and ensuing tsunami rocked the area on Tuesday.
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The slump will spark scrutiny, especially as statistics show a rise in racially or religiously motivated offences following the EU vote.
The 53-year-old was killed shortly after leaving her home in Mosta, Prime Minister Joseph Muscat said.
Jordi Sanchez of the Catalan National Assembly and Jordi Cuixart of the Omnium Cultural group were jailed on Monday.