Four people have been arrested and £80,000 seized by detectives investigating the suspected theft of £1 million from two UK banks, Scotland Yard said.
A suspected live hand grenade was also removed from an address by specialist explosive officers, following raids in Enfield and Islington yesterday morning.
More top news
Mostly dry after a misty start in places
A police officer has suffered potentially life threatening injuries after being assaulted in Doncaster.
Eight cases of fraud and four possible thefts are being investigated, Scotland Yard said.