Dancers surround the Mercedes-Benz A Class concept car after it was unveiled at the New York International Auto Show on April 20. Jessica Rinaldi/Reuters
The 2012 Honda Civic Si is seen on display at the New York International Auto Show in New York City on April 20. Mike Segar/Reuters
A man sits in a 2011 Passion Cabriolet at the New York International Auto Show on April 20. Jessica Rinaldi/Reuters
The 2013 Chevrolet Malibu Eco is introduced at the New York International Auto Show on April 20. Richard Drew/AP
The Scion FR-S concept car is introduced at the New York International Auto Show, on April 20. Richard Drew/AP
The 2013 Ford Taurus is introduced at the New York International Auto Show on April 20. Richard Drew/AP
The 2013 Ford Taurus SHO is introduced at the New York International Auto Show on April 20. Richard Drew/AP
A Toyota Prius-C concept car is seen on display at the New York International Auto Show on April 20. Jessica Rinaldi/Reuters
The Nissan Leaf Nismo RC is on display at the New York International Auto Show on April 20. Mary Altaffer/AP
Ford Focus vehicles are seen on display at the New York International Auto Show on April 20. Mike Segar/Reuters
A 'disco-ball' mirror covered Electric Drive Smart Car as seen on display at the New York International Auto Show on April 20. Mike Segar/Reuters
Riot police advanced on protesters in Istanbul's Taksim Square shortly after Prime Minister Erdogan warned the peaceful demonstrators to clear out or be forcibly removed.
Riot police fired water cannons and tear gas on protesters in Istanbul's Taksim Square and neighboring Gezi Park on Saturday, an intervention that came shortly after the prime minister warned that security forces "know how to clear" the area.
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