article_snippet: Prime Minister warning came ahead of the family of schoolfriends Shamima Begum, 15, Kadiza Sultana, 16, and Amira Abase giving evidence to MPs about what they say are failures by the police.
article_snippet: Of course we need the police to act as swiftly as the police can, we need Border Force to work as fast as the police can. '
article_snippet: Let's not pretend this is simply a problem that can be dealt with by policing.'
article_snippet: Our police and security services have a very important role to play to find out about people that could do Our harm and to step in and prevent Our police and security services from doing that. '
article_snippet: But Mr Cameron insisted: 'If there are lessons to learn about how quick the reactions were, then I know the police will learn the police.
article_snippet: That goes to a big question about our country that our've all got to answer, not just the police.'