EXPLAINERIran struck Bahrain, Qatar, Oman, Jordan and Syria in retaliation for US strikes.For a sixth night in a row, the United States hit Iran in a wave of major attacks. Iran hit back, launching missiles and drones at multiple countries in the Gulf and at US bases in other regional countries.Iran has said 38 people have been killed, and more than 400 injured, in the US attacks since the two sides met in Switzerland on June 22 for talks to end the war through a 60-day negotiation period, the AFP news agency reported. That includes at least eight people whom Iran said had been killed in overnight attacks by the US.Here is a recap of what happened over Thursday night and on Friday so far.Where was Iran attacked?The US Central Command (CENTCOM) said that at 01:40 GMT on Friday, it completed its latest major wave of attacks against Iran. The US military did not provide many details about the specific sites it hit in Iran.However, Iranian media reports said US forces struck at least six bridges, a railway station and other sites across Iran, killing at least eight people and injuring several.Iran’s Fars news agency said the six bridges that were struck in the southern Hormozgan province include: