A major counter-terrorism investigation is underway tonight after a series of suspicious packages were sent to Army careers centres across the south east.
Offices in Brighton and Canterbury, Oxford and Slough were targeted today.
Yesterday it was at Aldershot, Reading - and the day before - Chatham.
The South East Counter Terrorism Unit has said after the first cases were found yesterday, Post Offices and Army Recruitment centres were warned to be on the lookout.
Malcolm Shaw reports on today's fast moving events.