Russia has introduced sanctions against 398 members of the U.S. Congress in retaliation against punitive measures announced by Washington over Ukraine.
More sanctions are planned, the Russian Foreign Ministry said on April 13 in a statement quoted by Interfax.
"Taking into account the sanctions the U.S. is constantly introducing, further announcements of Russian countermeasures are planned in the near future," the Foreign Ministry said in the statement.
The sanctions include entry bans on the lawmakers affected.
In a separate statement, the Foreign Ministry said that it had introduced sanctions against 87 members of the Senate of Canada and said more measures will be announced soon due to Ottawa's "short-sighted" policies.
The ministry said the moves follow sanctions announced by Washington last month against 328 members of the Russian Duma, or parliament.
After Russian President Vladimir Putin sent troops to pro-Western Ukraine on February 24, the West slapped wide-ranging sanctions on Moscow, including the exclusion of several banks from the SWIFT messaging system, embargoes on Russian exports, new restrictions on investments, and asset freezes for government officials and their families.
Western countries have also announced the coordinated expulsion of dozens of Russian diplomats suspected of spying.
Russia said it was expelling a senior Czech diplomat from the EU country's embassy in Moscow in a retaliatory step.
Russia Sanctions 398 Members Of U.S. Congress, 87 Canadian Senators In Tit-For-Tat Moves
Russia's Foreign Ministry also said "further announcements of Russian countermeasures are planned in the near future,"