Ukraine races to field faster interceptors as Russia hammers its energy grid

KYIV, Ukraine — Russia is still using fast jet-powered drones to batter Ukraine’s energy facilities, bridges and other critical infrastructure at speeds beyond the reach of most of Kyiv’s drone interceptors, despite U.S. President Donald Trump’s unilateral announcement on Sunday of an energy ceasefire between the two countries. Russia began using the jets heavily in July, when their numbers jumped fivefold from the previous month. They can now reach speeds of up to 373 mph (600 km/h) — more than three times the speed of the propeller-driven Geran-2 drones they evolved from — far exceeding the…