WASHINGTON, February 20. /TASS/. The special services of Russia and other countries, including the United States, are interested in cooperation, Russian Federal Security Service (FSB) director and chairman of the National Antiterrorism Committee Alexander Bortnikov said Thursday.

"We are interested not only in exchange of information but also in joint work," Bortnikov told Russian journalists after a working visit to Washington.

Professionals everywhere understand and admit that, including in the United States, he said.

In the US capital, Bortnikov took part in a summit on countering violent extremism.