Pc Blakelock, who was 40, was attacked and stabbed dozens of times as he tried to protect firefighters tackling a blaze at a supermarket, during the height of the Broadwater Farm riots in 1985.
Nicholas Jacobs, 44, who is accused of killing him, will appear at Westminster Magistrates' Court tomorrow.
More top news
26 people injured and five people were taken to hospital after a bus crashed into a railway bridge.
Hundreds of passengers were ordered to leave the terminal building and flights grounded after passengers suffered difficulties breathing.
Council leaders today called on the government to provide extra money to help resettle the youngsters in the capital.