A Somali police officer arrests a suspected rebel member of the al Qaeda-affiliated al Shabaab among beach goers in Mogadishu. Al Shabaab claimed responsibility for today's pre-dawn attack on a Kenyan university campus near the Somali border. The following gallery examines who is al Shabaab. Here: Somali police officer (R) arrests a suspected rebel member (L) of the Al Qaeda-affiliated al Shabaab among beach goers at the Lido beach north of Somalia's capital Mogadishu March 23, 2012. (Photo by Feisal Omar/Reuters)

In this Saturday, December 30, 2017, picture a girl wearing a bear fur costume takes part in an annual bear parade in Comanesti, Romania. It's a tradition that originated in pre-Christian times, when dancers wearing colored costumes or animal furs went from house to house in villages, singing and dancing to ward off evil. (Photo by Vadim Ghirda/AP Photo)

Gal Gadot is all excited while arriving at the Revlon event in New York City on January 24, 2018. Gal wore a plunging black gown with sheer skirt. (Photo by Felipe Ramales/Splash News and Pictures)

A Hawaiian cleaner wrasse provides its cleaning services to a yellowfin goatfish in a reef community off the Big Island in Hawaii. Cleaner species help rid their hosts of ectoparasites, dead tissue, bacteria and fungi. Studies have shown cleaning to play a vital role in keeping many reef ecosystems healthy. (Photo by Marty Snyderman/Caters News Agency)

Japanese monkeys look relaxed as they soak in a hot spring at the Hakodate Tropical Botanical Garden in Hakodate in Hokkaido, northern Japan, on January 14, 2022. (Photo by Kyodo News/Action Press via Reuters)

Cholita wrestlers stage a performance on the street during the Electropreste celebration, which combines traditional and modern customs, in La Paz, Bolivia on March 12, 2022. (Photo by Claudia Morales/Reuters)

A picture taken on June 3, 2022 shows a unique albinos Galapagos giant tortoise baby, born on May 1, at the Tropicarium of Servion, western Switzerland. Albinos Galapagos tortoises have never been observed in captivity or in the nature. The Galapagos giant tortoises are strictly protected and are among the most endangered species among CITES-listed animals. (Photo by Fabrice Coffrini/AFP Photo)

Partygoers in United Kingdom flocked to bars and clubs across the nation on Friday as they drunk in the 34C scorcher. Revellers were pictured in Leeds on June 17, 2022 necking drinks and going wild as the sun set on the hottest day of the year so far. (Photo by Nb press ltd)