article_snippet.sent: Essa, four, Zakariva, two, and Yahya, one, were all caught on camera on a cross-Channel ferry.
article_snippet.sent: Scroll down for video .
article_snippet.sent: Detectives have released CCTV footage of   Asif Malik, 31, his partner Sara Kiran, 29, and their four young children, who have been reported missing from Britain, at a busy ferry port as their apparently head to Syria .