Gunmen who attacked a Nairobi shopping mall were speaking in a foreign language, possibly Arabic or Somali, and were seen executing a number of shoppers, an eyewitness told AFP. \"They were not speaking Swahili. They spoke something that seemed like Arabic or Somali, but I\'m not sure as I don\'t speak those languages,\" the witness, who only wanted to give his first name, Jay, told AFP after fleeing the mall. \"I saw people being executed after being asked to say something,\" he said, adding had seen 11 dead bodies inside the mall.