The company denies wrongdoing.
Kalashnikov USA has a facility near Marjory Stoneman High School in Parkland.
The head of Russia's second biggest bank said the tightening of sanctions against the country's institutions would be "like declaring war."
The U.S. and Russia have traded tit-for-tat diplomatic sanctions since the fallout around the 2016 election.
The Russian president was hosting his annual press conference, a hotly-anticipated event in Russia's Christmas TV calendar.
After Vladimir Putin's instructions, Moscow is preparing a lawsuit on consulate closure, Russia's deputy foreign minister says.
Washington has closed a handful of diplomatic annexes and compounds.
“It’s going to be much harder to do business in Russia as a result of this,” the former U.S. ambassador to Russia said.
The U.S. will lose 755 staff from its diplomatic missions in Russia and have two properties seized on September 1.
The sanctions bill is a signature away from becoming law.
"President Trump will not handle his congress," one Russian senator warned, while another said Trump was "forced" to mimic Barack Obama and Hillary Clinton.
The measure will force President Donald Trump to get Congress approval before easing sanctions on Russia.
The Senate sent a strong, bipartisan signal this week it wants more say over President Trump's foreign policies.
Russian State Duma Chairman Vyacheslav Volodin said Western leaders' unrelenting support for sanctions may indicate they "genetically dislike" Slavs.
The Senate wants to give lawmakers more say over any changes to Russia sanctions as Donald Trump’s Russian scandal continues.
The proposed legislation could come to a vote as soon as this week.
Igor Sechin's comments follow similar claims from Putin himself.
Russian lawmakers deny allegations that Russia was behind the hacking of the Democratic Party during the election campaign.
The Treasury Department said U.S. companies could make limited transactions with the FSB.
Putin’s spokesman said the leaders could meet before the G20 summit in July.
“We should not delude ourselves,” Medvedev said.
Shuvalov has told ministers to assume sanctions will be lifted by the end of 2017.
Evidence seems to contradict the secretary of state nominee and former Exxon Mobil CEO's claims at confirmation hearing.
Foreign Minister Sergei Lavrov had proposed to Putin that Russia expel 35 U.S. diplomats.
Russia doubts the long-term effectiveness of new American measures to limit diplomatic ties, given that Obama is stepping down from office soon, a spokesperson for Putin said.
U.S. intelligence agencies have concluded that Russia tried to influence the Nov. 8 election by hacking individuals and institutions.
The CEO of the under-sanctions Sberbank hopes for new treatment from Trump.