Terror police are now investigating the case of divorced father-of-two Andrew Leak, 66, who had a history of deluded online rants against Muslims and demanding that the UK close its borders.
Migrants moved from overcrowded centre - as figures show 222 children put in hotels are missing coastfm.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from coastfm.co.uk Daily Mail and Mail on Sunday newspapers.
Migrants inside the packed Manston processing centre in Kent are threatening to self-harm and go on hunger strike in protest at being detained, Sky News has been told.
The petrol-bomber who attacked a Dover migrant centre before killing himself was a suspected paedophile who threatened to end his life while under police questioning, a source said.