Evacuations took place in the London Bridge area after reports of a suspicious item.
Offices were emptied on Tuesday afternoon when police were called to the Tooley Street area at 12.26.
Gary Haines, who was evacuated from the headquarters of Prostate Cancer UK, said that there were sniffer dogs in attendance:
Images from the location showed police officers cordoning off the area.
The cordon has now been lifted and the area re-opened.