A senior counter-terrorism detective with the Met Police has been charged with breaching the Official Secrets Act.
Detective Chief Inspector April Casburn is also accused of offering information to the now-defunct News of the World newspaper.
She appeared in court and our reporter Paul Brand was there.
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A man reportedly armed with several knives has been arrested in Whitehall on suspicion of planning a terror attack, police have said.
Metropolitan Police officer, Tom Harrison, has been crawling the course since the race began on Sunday morning.
The Old Bailey heard how Syed tried to get weapons online, including a bomb vest, and trawled the web to find a busy area launch an attack.