The shaky video of the incident recalled the famous "Tank Man" protester on Tiananmen Square in Beijing, who single-handedly defied an armored column during pro-democracy protests in 1989 that were subsequently crushed by tanks.

US President Donald Trump said Iran had provided guarantees that it would not develop nuclear weapons, as he asserted Washington was nearing a "very good deal" to end the three-month-old war with Tehran.

Ukraine says that its forces carried out a large-scale overnight drone assault targeting military and infrastructure sites inside Russia and Russian-occupied territory.

Romania has accused Russia of a "serious and irresponsible escalation" after a drone hit a high-rise building inside Romanian territory near the border with Ukraine.