From Ukraine to Tehran, asymmetric warfare is redefining the modern battlefield. Superiority is no longer measured solely by jets and naval fleets, but by inexpensive unmanned drones.

As Russia struggles to replace soldiers being killed in high numbers in the fifth year of its full-scale invasion of Ukraine, these is mounting evidence of the military returning men to the war despite severe injuries and, sometimes, medical findings saying they are not fit for further service.

Families sharing single meals. Appliances sold to pay utility bills. Businesses gutted. Four Iranians inside the country describe an economy in freefall.

A large-scale overnight Russian missile and drone attack on Kyiv killed at least four people and injured dozens, including children, Ukrainian officials said.

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.