After Ukraine’s drone strikes on Russian air bases, the two sides talked for less than an hour in Istanbul, and a halt to the fighting seems out of reach for now.

Russian and Ukrainian delegates met in Istanbul on Monday for their second set of direct peace talks, a day after Kyiv launched a shock drone attack on Russia’s nuclear-capable bombers, in an operation that President Volodymyr Zelensky said was a year and a half in the making.