内容摘要：Researchers begin by identifying one or two trusted participants.

Researchers begin by identifying one or two trusted participants.

Iran's health ministry said on Sunday that at least 224 people had been killed.was to see whether or not people come to their senses.

Europe is not going to be able to help in this.Barrot added that there could be no definitive solution through military means to the Iran nuclear problem and warned that it was dangerous to want to impose a regime change in Iran.leading to several rounds of Iranian missile and drone attacks on Israel.

according to a Israeli officialUS President Donald Trump said Iran had a maximum of two weeks to avoid possible American air strikes.Israel launched strikes in Iran on 13 June.

UK Foreign Secretary David Lammy said that the US had provided a short window of time to resolve the crisis in the Middle East which was perilous and deadly serious.

suggesting that he could take a decision before the 14-day deadline he set on Thursday.Yuki Iwamura/AP A crowd of protesters fill Liberty Plaza in front of the Georgia State Capitol in Atlanta on Saturday.

a traditional Republican stronghold.Allison Joyce/AFP/Getty Images Demonstrators rally in Atlanta.

Shannon Stapleton/Reuters A cyclist gestures in support as he passes protesters in Asheville.Yuki Iwamura/AP Demonstrators gather at a park in Detroit.