article_snippet.sent: It is a very sad day for Kenya," Interior Ministry Secretary Joseph Nkaissery said.
article_snippet.sent: But Kenyan President Uhuru Kenyatta on Thursday urged people around the African nation "to stay calm as we resolve this matter."
article_snippet.sent: This is a moment," Kenyan President Uhuru Kenyatta said, "for everyone throughout the African nation to be vigilant as we continue to confront and defeat we enemies.