A 17 year old male from Surrey has been charged with terrorism offences.
The teenager from the Redhill area was charged last night with three counts of circulating terrorist publications and one count of preparing terrorist acts.
He has been remanded in custody and will appear at Westminster Magistrates Court today.
A 23-year-old man arrested on Tuesday has been released pending further investigation.
Three people have been arrested in connection with an alleged plot to smuggle millions of pounds worth of cocaine and heroin into the UK by helicopter.
The arrests follow a joint operation involving the National Crime Agency and Metropolitan Police Service which saw MPS officers seize around 40 kilos of cocaine and 60 kilos of heroin from a car on the M26 in Kent yesterday.
A 38-year-old man from the North Kensington area of London was arrested. A short time later NCA officers moved in to arrest two Dutch nationals aged 26 and 27 at Redhill Aerodrome in Surrey.
The pair had flown in to Redhill in a helicopter from Belgium earlier in the day.
All three are now being questioned by investigators items seized during the operation are being examined. The helicopter has also been impounded.
Delays of up to 50 minutes on First Great Western between Reading and Redhill, and between Reading and Gatwick Airport due to emergency engineering works.