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)

A young girl chases pigeons as Muslim worshippers gather to perform the Eid al-Fitr morning prayer at the Grand Mosque in Saudi Arabia's holy city of Mecca to mark the end of the fasting month of Ramadan, on May 13, 2021. (Photo by Abdulghani Essa/AFP Photo)

Children play after offering Eid al-Fitr prayers at Jama Masjid to mark the end of the holy fasting month of Ramadan, in the old quarters of Delhi, India on May 3, 2022. (Photo by Anushree Fadnavis/Reuters)

Filipino Muslims pray outside the Blue Mosque as they celebrate Eid al-Fitr on May 13, 2021 in Taguig, Metro Manila, Philippines. Eid al-Fitr marks the end of Ramadan, during which Muslims in countries around the world spend time with family, offer gifts and often give to charity. Parts of the Philippines remain under strict lockdown to curb the spread of the coronavirus, with religious venues restricted to 20 percent capacity only. (Photo by Ezra Acayan/Getty Images)

Afghan children enjoy their time on Nadir Khan hill during the first day of Eid al-Fitr in Kabul, Afghanistan, Friday, April 21, 2023. (Photo by Ebrahim Noroozi/AP Photo)

Muslims gather to perform an Eid al-Fitr prayer, marking the end of the fasting month of Ramadan at Washington Square Park on Wednesday, April 10, 2024, in New York. (Photo by Andres Kudacki/AP Photo)

Men and children gather as a camel is being slaughtered in celebration of Eid al-Adha, in Peshawar, Pakistan on August 12, 2019. (Photo by Fayaz Aziz/Reuters)

Thousands of travellers heading to their hometowns to celebrate Eid al-Fitr, the Muslim holiday to mark the end of Ramadan, wait in a traffic jam to board a ferry at the entrance to Gilimanuk port on Bali, Indonesia July 3, 2016 in this photo taken by Antara Foto. (Photo by Nyoman Budhiana/Reuters/Antara Foto)