KEY POINTS
  • "We have it under evaluation," Tillerson said on CBS' "Face the Nation" program.
  • Five Republican senators on Friday called for the Trump administration to retaliate against the Cuban government by expelling Cuban diplomats.

The United States is considering closing its embassy in Havana in response to an alleged sonic attack on U.S. personnel in Cuba, Secretary of State Rex Tillerson said on Sunday.

"We have it under evaluation," Tillerson said on CBS' "Face the Nation" program. "It's a very serious issue with respect to the harm that certain individuals have suffered."