Eight people were arrested in Birmingham in morning raids and another was arrested later on a nearby motorway. Police guarded this internet cafe in Stratford Road, Sparkhill.
A number of streets were sealed off and premises searched. Here police search through waste meat products outside a shop in Jackson Road.
The Maktabah bookshop, believed to sell Islamic literature, was also raided.
Security sources told the BBC the raids were targeting an alleged kidnap plot. This shop on the corner of Alum Rock Road and Jackson Road was among premises cordoned off.
The operation is believed to have taken six months and involved police and security service MI5. Here officers carry away material from the store.
Eight houses were targeted in the 0400 GMT raids, including this one in Jackson Road. A further four commercial premises were also raided.
This house in Poplar Road, Sparkhill, was also cordoned off. The arrests were met with mixed reactions in the community - some angry, others calling for co-operation with police.