Drones minimise Russian manpower advantage on battlefield, says foreign minister; Moscow shies from Turkey push for Zelenskyy-Putin talks. What we know on day 1,520 Drones minimise Russian manpower advantage on battlefield, says foreign minister; Moscow shies from Turkey push for Zelenskyy-Putin talks. What we know on day 1,520 Ukraine’s frontline position is “the strongest” it has been in a year due to superiority in drones and enhanced air defence, said Andriy Sybiha, the foreign minister.