Memorials, used cars, slums & more — it happened today: May 15 in pictures

Law enforcement officers attend the 36th annual National Peace Officers’ Memorial Service at the U.S. Capitol in Washington; an exotic used-car dealership designed to resemble a vending machine in Singapore; a boy on a cart is pushed near a Brazilian Public-Safety National Force police officer as he patrols an entrance of Chapadao slums complex during an operation to crack down on crime in Rio de Janeiro. These are some of the photos of the day. (AP/EPA/Getty/Reuters)

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