Sens. Marco Rubio Marco Antonio RubioSunday shows preview: Justice Ginsburg dies, sparking partisan battle over vacancy before election Florida senators pushing to keep Daylight Savings Time during pandemic Hillicon Valley: DOJ indicts Chinese, Malaysian hackers accused of targeting over 100 organizations | GOP senators raise concerns over Oracle-TikTok deal | QAnon awareness jumps in new poll MORE (R-Fla.) and Bob Menendez Robert (Bob) MenendezKasie Hunt to host lead-in show for MSNBC's 'Morning Joe' Senators ask for removal of tariffs on EU food, wine, spirits: report VOA visa decision could hobble Venezuela coverage MORE (D-N.J.) in a letter on Thursday urged President Trump Donald John TrumpUS reimposes UN sanctions on Iran amid increasing tensions Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally MORE to take up action on Venezuela and its president, Nicolás Maduro.

The senators requested that Trump direct "[United Nations] Ambassador Nikki Haley Nimrata (Nikki) Haley'The soul' versus 'law and order' Author Ryan Girdusky: RNC worked best when highlighting 'regular people' as opposed to 'standard Republicans' GOP lobbyists pleasantly surprised by Republican convention MORE to call for the United Nations Security Council to hold an emergency session or related meeting on Venezuela, and for the United Nations to create a special envoy for Venezuela to monitor and address these issues."

Rubio and Menendez accused Maduro of supporting drug cartels and terror organizations, as well as abusing political opponents and causing an economic crisis in his country.

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The letter says the issues are evidence of the Maduro regime's efforts to "promote instability in the Western Hemisphere."

The senators also urged Trump to work with Secretary of State Rex Tillerson Rex Wayne TillersonGary Cohn: 'I haven't made up my mind' on vote for president in November Kushner says 'Alice in Wonderland' describes Trump presidency: Woodward book Conspicuous by their absence from the Republican Convention MORE to ensure that the South American country remains a priority and to use all diplomatic tools to "promote peace and accountability in Venezuela."

Menendez and Rubio sent a separate letter to Attorney General Jeff Sessions Jefferson (Jeff) Beauregard SessionsTrump's policies on refugees are as simple as ABCs Ocasio-Cortez, Velázquez call for convention to decide Puerto Rico status White House officials voted by show of hands on 2018 family separations: report MORE on Wednesday, calling for the Justice Department to probe allegations of drug trafficking against senior Venezuelan officials.

"This lawless environment threatens the stability and security of the region, including the United States, by providing fertile ground for drug cartels and U.S.-designated foreign terrorist organizations, such as the FARC and ELN, to operate," the senators wrote.

Tensions between Washington and Caracas have increased in recent months.

The U.S. imposed sanctions on Venezuela in July after Maduro called for a vote to rewrite the country's constitution.

The Treasury Department announced earlier this month it had issued sanctions against four Venezuelan military officials for "corruption and repression."