( CNN ) -- At least 30 Al-Shabaab militants in Somalia were killed in a joint raid by Kenyan and Somali forces Saturday , officials said . The operation targeted an Al-Shabaab hideout in Kolbio , Somalia , Col. Cyrus Oguna of the Kenyan Defense Force said . The al Qaeda-linked Islamist group has been connected to the attack in Nairobi 's Westgate mall last month where 67 people were killed . Saturday 's raid follows another operation earlier in the week , where Kenyan warplanes targeted a militant training camp inside Somalia . Kenyan officials say the terror group has used camps to train operatives , including attackers who targeted Westgate mall .
At least 20 militants are killed in the joint operation . It targeted a hideout in Kolbio , Somalia , an Air Force official says . It came on the heels of a raid by Kenyan warplanes on a training camp .