A team of police officers carried out searches of suspect vehicles last night as part of Operation Pegasus. Inspector Matthew Butterworth explained what they were doing.
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Wayne John Lione leapt behind the wheel and drove at the parking officers who were sitting in their car nearby, in Sutton, south London.
Londoners are being warned to expect transport delays over the Easter break, with roads jammed and some rail services shut down.
The lukewarm reaction comes a week after the prime minister name-checked the mayor as a possible successor.