A woman uses her laptop as she takes shelter in a metro station during an air strike alarm in Kyiv, on November 20, 2024, amid the Russian invasion of Ukraine. The US embassy in Kyiv warned on November 20, 2024, of a "potential significant air attack" and shuttered its doors, following Russia's vow to respond after Ukraine fired longer-range US missiles at its territory for the first time. (Photo by Roman PILIPEY / AFP)

Local residents take shelter in a metro station during an air strike alarm in Kyiv, on November 20, 2024, amid the Russian invasion of Ukraine. The US embassy in Kyiv warned on November 20, 2024, of a "potential significant air attack" and shuttered its doors, following Russia's vow to respond after Ukraine fired longer-range US missiles at its territory for the first time. (Photo by Roman PILIPEY / AFP)

Local residents take shelter in a metro station during an air strike alarm in Kyiv, on November 20, 2024, amid the Russian invasion of Ukraine. The US embassy in Kyiv warned on November 20, 2024, of a "potential significant air attack" and shuttered its doors, following Russia's vow to respond after Ukraine fired longer-range US missiles at its territory for the first time. (Photo by Roman PILIPEY / AFP)

Local residents take shelter in a metro station during an air strike alarm in Kyiv, on November 20, 2024, amid the Russian invasion of Ukraine. The US embassy in Kyiv warned on November 20, 2024, of a "potential significant air attack" and shuttered its doors, following Russia's vow to respond after Ukraine fired longer-range US missiles at its territory for the first time. (Photo by Roman PILIPEY / AFP)