The White House has warned that its air strikes on Iran-backed targets in Iraq and Syria are just "the beginning, not the end" of its response to Iran.
National security adviser Jake Sullivan told US media on Sunday "there will be more steps".
The White House has warned that its air strikes on Iran-backed targets in Iraq and Syria are just "the beginning, not the end" of its response to Iran.
National security adviser Jake Sullivan told US media on Sunday "there will be more steps".