Patricia Georgina Drew was an advertising model who in April 1970 entered the main foyer at Thames' new Euston Road offices and threw a petrol bomb at the reception desk, causing minor damage.
Drew was suffering from a mental illness and believed David Frost was part of a government experiment to hypnotise people via television transmissions. Although Frost worked for the ITV London weekend contractor, London Weekend Television, she targeted the offices of Thames as she also believed Eamonn Andrews, the then-presenter of Today, the local news programme, was also part of the scheme. Little comment was made on this story at the time and it only fully emerged after a journalist made a request for information under the Freedom of Information Act in 2005.