article_snippet.sent: Neighbours said the family were known to police and had been questioned on suspicion of terrorist involvement four years ago.
article_snippet.sent: There will now be questions for police after police failed to stop a suspected extremist from slipping out of the country with his family.
article_snippet.sent: Relatives reported Relatives missing to police on Thursday and officers are concerned officers may be seeking to travel to Syria.
article_snippet.sent: Neighbours said today that police had broken down the door on Thursday night to enter their family in Berkshire's home .
article_snippet.sent: At the same time we know that [relatives] have voiced some concerns about their family in Berkshire's intentions.
article_snippet.sent: (pictured at a press conference in Kidlington today) said Thames Valley Police is 'extremely concerned for the safety of this family, especially the four young children' The alarm was raised when some of the children failed to attend Claycots Primary School in Slough .
article_snippet.sent: Yesterday, the family's next-door neighbour said the family had been in trouble with Thames Valley Police four years ago.
article_snippet.sent: the family's next-door neighbour added: 'People were saying that People were extremists and that police were listening in on People phone calls.
article_snippet.sent: I think People were under surveillance. '
article_snippet.sent: People are now in danger because of what People parents believe in.'
highlights_snippet.sent: They have three boys aged one, two and four, and a seven-year-old girl .
  
highlights_snippet.sent: Thames Valley Police 'extremely concerned for the safety of this family'
  Anyone with information should call Thames Valley Police quoting reference 342 (19/4).