Louisville Metro Police confirmed in a statement that there were at least seven shooting victims, at least one of whom is in critical condition.
Germany and other countries have started to loosen some of the restrictions on movement, but anti-lockdown demonstrators protested, saying they wanted more freedom.
The country is entering the second week of an uprising over inadequate public services, endemic corruption and painful austerity measures, despite the government's adoption of an emergency reform plan.
The yellow vest movement has spread to several countries around the world who are protesting similar issues.
The latest unrest only compounds the wider unease felt across Iran as it faces an economic crisis sparked by President Donald Trump's decision to withdraw America from Tehran's nuclear deal with world powers.
Protests took place across France, with the biggest protest in Paris. Unlike the recent violent May Day protests, these latest protests against France's President Emmanuel Macron were largely peaceful.
Women in Barcelona say they have been suffering from toxic masculinity for decades. In a series of portraits, we take a deeper look into their lives.
Protesters were angry about the new housing regulation which barred right owners from selling on apartments that were converted from commercial space.
Protests in the Rif region have increased since the killing of a fishmonger last October.
The deal has been the focus of demonstrations in Europe, led by trade unions and protest groups.
Police detains 27 people in Paris after protest marches lead to violence.
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