CCTV footage shows gunmen entering Nairobi office complex before attack

Several gunmen were seen entering an upscale hotel and office complex in Nairobi where more than a dozen people were killed on Tuesday, CCTV footage obtained by Reuters showed. Gunmen blasted their way into 14 Riverside Drive complex in the Kenyan capital, killing at least 14 people and sending workers diving under desks from an attack claimed by Somali Islamist group al Shabaab.