There are fears of a renewed US-Iran clash a year after the US drone killing of the Revolutionary Guard chief, in the dying days of Donald Trump's presidency.
Iran executed a once-exiled journalist over his online work that helped inspire nationwide economic protests in 2017.
The bill would suspend U.N. inspections and require the government to resume enriching uranium to 20% if European nations fail to provide relief from crippling U.S. sanctions on the country's oil and banking sectors.
The British-Iranian national, who has served four a half years of her a five-year sentence, faces new charges.
"The execution of Iranian wrestler Navid Afkari is very sad news," the International Olympic Committee said.
Zaghari-Ratcliffe appeared Tuesday morning before a branch of the country’s Revolutionary Court in Tehran, where she was first sentenced to prison on murky espionage charges in 2017.
Ashoura Day falls on the 10th of the Islamic month of Muharram and is preceded by days of commemoration and remembrance.
One F-15 fighter plane did briefly surveil the Iranian passenger jet from a safe distance but disengaged after it established it was a civilian aircraft, the US confirmed.