Mogadishu - Two Kenyans and seven Somali guards were killed in a bomb attack on a vehicle carrying workers to the United Nations compound in Garowe in the Somali region of Puntland on Monday, police said.
Authorities suspect Islamist al-Shabaab militants of carrying out the bombing in the north-eastern city, Mohamed Abdi, a police officer at the scene said.
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"A blast hit the bus carrying workers to the UN office ...At least nine people died," he told Reuters.
In recent years al-Shabaab has staged several attacks against UN officials in Somalia, most often in the capital Mogadishu, where the UN has been helping a Western-backed government rebuild the country after more than 20 years of war.