The Prime Minister has unveiled a £15.5 million funding package to support innovative firms today, pledging to "make Britain the best place in the world in which to start and grow a business".
World-class technology experts will be given fast-tracked visas under a push to attract the best international talent to the United Kingdom's digital sector.
During a visit to Tech City, Britain's answer to Silicon Valley in East London today, Mr Cameron outlined plans for the Government to open up the exceptional talent visa route - usually reserved for international leaders in science and the arts - from April next year.
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Officers believe the three assaults are linked and are appealing for information about the suspect.
Nine addresses in Lewisham were searched and 13 arrests made early on Tuesday morning in a planned, intelligence-led operation.
The Purple Rain singer died in April 2016