Palestinian footballer Suleiman al-Obaid was killed in an Israeli air strike on Wednesday while waiting for aid in Gaza.
Two children died of starvation on Thursday, as WHO warns 12,000 children aged under five suffering acute malnutrition.
Miran, who currently sits on the White House’s Council of Economic Advisers, would fill the seat through January.
US Muslim group highlights the legal statutes that it says enable the Trump administration to investigate the incident.