The explosions, according to Iranian state media, took place at a ceremony commemorating Qassim Suleimani, the top commander killed by a U.S. drone strike four years ago.
Elizabeth Tsurkov, an Israeli researcher, was seized in late March by an Iraqi Shiite group shortly after leaving a Baghdad cafe, Prime Minister Benjamin Netanyahu said.
In the 20 years since the United States invaded Iraq, Iran has built up loyal militias inside Iraq, gained deep political influence in the country and reaped economic benefits. For Washington, these were unintended consequences.