Tube passengers were cleared from Moorgate station after the station was evacuated following a security alert.
Travellers told on social media how police had flooded the Northern line stop shortly after 2pm following the reported discovery of a “suspicious package”.
Pictures taken from the scene show at least six police vehicles raced to the station at the height of the scare.
Louis Goddard tweeted: “Moorgate tube station evacuated. "Due to a reported emergency will all passengers leave the station immediately."
While another man added: “Moorgate station evacuated, suspicious package on our Northern Line train.”
Transport for London said the service has been suspended northbound between Kennington and Camden Town.
The line was reopened just after 3pm.
Witnesses suggested an unattended rucksack was at the centre of the security scare but this has not been confirmed.
The British Transport Police tweeted: "Item found at #Moorgate station has been looked at by officers and is not suspicious. Thank you to everyone for their patience."
