1) Police moved in to control a crowd as protests turned violent outside a  Donald Trump event in California. Police arrested 20 people outside the rally Thursday night amid the worst violence since last month’s cancellation of a campaign event in Chicago. A demonstrator climbs a traffic light outside the rally. There were no major injuries, the Orange County Sheriff’s Department said, adding that the crowd had dispersed by 11 p.m. local time. Photo: MIKE BLAKE / Reuters

2) Police in riot gear hold back protesters outside the Hyatt hotel where Republican presidential candidate Donald Trump was set to speak at the California GOP convention in Burlingame, Calif., on April 29, 2016. Photo: CAMERA / Reuters

3) Donald Trump supporters line up at a Waterbury, Connecticut, polling station. Photo: Zuma Press

4) Members of a veteran’s motorcycle club hold flags outside a memorial service for U.S. Marine Cpl. Christopher Orlando at St. Paul’s Catholic Church in Hingham, Mass., on, April 29. Orlando and 11 other Marines died Jan. 14 in a midair collision of two helicopters during a nighttime training mission off Hawaii’s coast. Photo: Charles Krupa / AP

5) The 2015 Military Photographer of the Year winners have been announced.  Photo of the Year and 1st Place, Features category – “Tug of War” went to Lance Cpl. Ryan P. Kierkegaard, USMC.  U.S. Marines with 1st Light Armored Reconnaissance Battalion, 1st Marine Division participate in a tug of war competition during warrior night at Marine Corps Base Camp Pendleton, California, July 1, 2015. Warrior night is an annual event held to build camaraderie in the battalion. Photo: Lance Cpl. Ryan P. Kierkegaard, USMC

6) Children, who permanently live at the territory contaminated with radionuclides after the Chernobyl nuclear power plant accident, take physiotherapy while they are in a children’s rehabilitation and health centre on the outskirts of Minsk, Belarus, on April 25. Photo: VASILY FEDOSENKO / Reuters

7) A woman and a young boy cover their noses as they walk past a massive rotting carcass of a whale at a popular California surfing spot in San Clemente on April 26. Photo: Lenny Ignelzi / AP

8) A nursery dog named Blakeley rests with his cheetah cub pal at the Cincinnati Zoo. Photo: AP

9) Olivia Wong, 3 years old, mimics her father Scott Wong of The Hill newspaper, who’s sitting on the right, after he raised his hand to ask a question during House Speaker Paul Ryan’s weekly news conference, on Take Our Daughters and Sons to Work Day in Washington. Photo: JONATHAN ERNST / Reuters

10) Babies, held by amateur sumo wrestlers, compete for the loudest crying during the Nakizumo, or crying baby contest, at Sensoji Temple in Tokyo. The Nakizumo is a traditional event, where babies, accompanied by sumo wrestlers, face off in a contest to determine who can cry the loudest and longest. The event is believed to bring good health to the contestants. Almost 100 babies attended the event this year. Photo: FRANCK ROBICHON / EPA

11) A red panda snacks on bamboo at a Bristol, England, zoo. Photo: Ben Birchall / PA Images / Startraksphoto.com

12) A referee puts an ogre mask to make a baby, who is held by a college sumo wrestler, cry to win in the Naki Sumo, or crying baby contest at Sensoji Buddhist temple in Tokyo. Photo: AP

13) Olivia Wong, 3 years old, mimics her father Scott Wong of The Hill newspaper, who’s sitting on the right, after he raised his hand to ask a question during House Speaker Paul Ryan’s weekly news conference, on Take Our Daughters and Sons to Work Day in Washington. Photo: JONATHAN ERNST / Reuters

14) A 3D-printed Sanpang strawberry milk flavoured ice-cream is at the Iceason ice-cream shop in Shanghai, China, on April 27, 2016. “Sanpang” is a Chinese nickname for North Korean leader Kim Jong Un, and it means “fatty the third.”  Photo: ALY SONG / Reuters

15) A model wears a creation from “Isabel Zapardiez” during Barcelona Bridal fashion week. Photo: Manu Fernandez / AP