Relatives of three British schoolgirls believed to be in Syria with the Islamic State will testify before MPs at Wesminster later.
The families have called for an apology from London's Metropolitan Police for the force's handling of the case.
The Guardian newspaper, meanwhile, reports a handwritten checklist was found in the bedroom of one of the three London girls - detailing items needed and costs required to travel to join I.S.
Reporter Tom Swarbrick says today's session at Westminster is likely to focus on a letter the families say they never received.
IN: "This was...
OUT: ...on Jihad."
DUR: 21 seconds