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)

Students take part in a parade during celebrations commemorating Nicaragua's 201th anniversary at the revolution square in Managua, on September 14, 2022. (Photo by Oswaldo Rivas/AFP Photo)

A girl watches the members of Nepali ethnic Newar community participating in “Jyapu Day” celebrations that marks the end of the harvest season, in Kathmandu on December 26, 2023. (Photo by Prakash Mathema/AFP Photo)

Nick Krist makes a funny face as he and his son, Noah, 8, take a selfie before a baseball game between the Los Angeles Angels and the Minnesota Twins, Wednesday, July 22, 2015, in Anaheim, Calif. (Photo by Jae C. Hong/AP Photo)

A model poses in front of phone boxes for a photographer in London, United Kingdom on Friday, October 1, 2021. (Photo by Frank Augstein/AP Photo)

Marry Ousmane, 18, poses outside while wearing her prom dress on May 29, 2020 in the Brooklyn borough in New York City. Marry Ousmane is best friends with Patrice Toussaint and both are seniors at Edward Murrow high school in Brooklyn whose senior prom was canceled due to all schools being closed during the coronavirus pandemic. Toussaint said, “I've been planning for four years. I was going to have a send off party with a barbecue and a red carpet. I was going to have two dresses and wear a crown”. (Photo by Stephanie Keith/Getty Images)

This image released by Neon shows Matthew McConaughey in a scene from “The Beach Bum”. (Photo by Atsushi Nishijima/Neon via AP Photo)

Cast member Ana de Armas poses during a photocall for the film “Hands of stone” out of competition at the 69th Cannes Film Festival in Cannes, France, May 16, 2016. (Photo by Regis Duvignau/Reuters)