A military response from the US could threaten the ceasefire that has been in place since 8 April, as Tehran and Washington have yet to negotiate an end to the war.
Mr Trump previously claimed a peace deal with Tehran was imminent several times but efforts stalled and strikes have continued despite a ceasefire beginning on April 8.
Trump has repeatedly said that a peace agreement with Tehran is imminent, but diplomacy has stalled, and the two sides have been firing missiles in recent days despite a ceasefire in place.