The Metropolitan policeâs counter-terrorism command launched an investigation after the packages were found in the post room at Waterloo railway station, City Aviation House at City airport and the Compass Centre on the grounds of Heathrow. As a precaution, DLR services to London City airport were suspended but later restarted. Facebook Twitter Pinterest The package sent to Waterloo station. Photograph: Counter Terrorism Police handoutPictures thought to show the packages sent to Heathrow and Waterlooemerged on Tuesday. London City airport said City Aviation House had reopened after staff were evacuated at about 12.15pm on Tuesday.