Pakistan, May 13 -- Russia launched a large-scale air assault on Ukraine on Wednesday, targeting critical infrastructure and key urban areas, according to Ukrainian military intelligence. The attack involved waves of drones and is expected to continue, raising concerns of prolonged strikes across multiple regions.

Ukraine's military intelligence HUR said Russia used a large number of drones in an initial wave to overwhelm air defence systems. It warned that further missile strikes, including ballistic weapons, could follow. Authorities described the operation as potentially prolonged and aimed at critical infrastructure.

Read more: Russian drone strikes hit Odesa again, injure 18 civilians

Meanwhile, Ukraine's air force reported more t...