Scotland Yard nailed a 19-year-old hacker known as "Topiary" accused of being a spokesperson of LulzSec hacking group, which declared war against Government sites and banks under operation 'Anti-Sec.'

The 19-year-old was arrested at a residence address in the Shetland Islands on Wednesday and is currently being transported to a central London police station, the Metropolitan Police said in a statement.

"The man arrested is believed to be linked to an ongoing international investigation in to the criminal activity of the so-called 'hacktivist' groups Anonymous and LulzSec, and uses the online nickname 'Topiary' which is presented as the spokesperson for the groups," the Metropolitan police said.

Police said that the residential house in Lincolnshire and a 17-year-old boy in connection with the inquiry are interviewed.

The 19-year-old recently deleted posts from @atopiary Twitter account; it just have one tweet posted on July 21: "You cannot arrest an idea."  

"Simple prankster turned swank garden hedge. Worked with Anonymous, LulzSec, and other such paragons of intense cyber victory. You are free," The bio on that Twitter page said.

The @LulzSec Twitter account has been silent for some 8 hours; lending credence to the assertion that Topiary was indeed responsible for the group's communications.

Topiary was considered to be the hacking group's second-in command and was the main spokesman to the media.

Topiary arrest is the 22nd arrest over the last two weeks in an effort to take down people associated with hacking group LulzSec and Anonymous.

Last week officials nailed 16 hackers from United States, four from The Netherlands, and now two from England. The investigative efforts are directed at catching the operatives behind PayPal denial of service attacks.

PayPal was one leading organization that was under attack of the hacking group LulzSec and/or Anonymous.

LulzSec has also hacked Sony, Nintendo, the CIA, the Arizona police site and the U.S. Senate.