Iran regrets Ukraine's decision to downgrade ties over the reported supply of Iranian drones to Russia, the Iranian foreign ministry spokesperson said on Saturday.
Nasser Kanaani said Ukraine should "refrain from being influenced by third parties who seek to destroy relations between the two countries", a ministry statement said.
Ukraine said on Friday that it would downgrade diplomatic ties with Iran over Tehran's decision to supply Russian forces with drones, a move President Volodymyr Zelensky called "a collaboration with evil".
Kanaani said Ukraine's decision was "based on unconfirmed reports and resulted from a media hype by foreign parties".
Military authorities in southern Ukraine said on Saturday they had shot down at least seven Iranian drones, including six Shahed-136 "kamikaze" craft, over the sea near the ports of Odesa and Pivdennyi on Friday.
These included - for the first time in Ukraine - a Mohajer-6, a larger Iranian drone, the southern military command said.
Ukrainian presidential adviser Mykhailo Podolyak said in an English language tweet on Saturday that Iran was supporting Russia "by giving modern drones to (a) backward country for the murders of Ukrainians".
North Korea fired a short-range ballistic missile on Thursday towards the sea off the peninsula's eastern coast, South Korea's military said, the first such launch in more than 40 days after a series of weapons tests earlier this year.
A wildfire prompted an evacuation alert on Wednesday about 30 km (18.64 miles) from Vancouver, one of Canada's largest metropolitan areas, as blazes in Western Canada continued to spread due to dry and hot weather.
Israel said two of its soldiers were killed in southern Lebanon on Wednesday while Lebanese authorities said Israeli retaliatory attacks killed at least one person, a flare-up in violence that coincided with the latest round of talks between the two countries.
Italy took the unprecedented step of placing all its major cities on the highest level of health alert due to high temperatures on Thursday while Hungary turned off the lights at some of its best-known buildings to save energy as a heatwave maintained its grip on large parts of Europe.
Rescuers worked on Thursday to douse fires and clear debris in Ukraine's eastern city of Balakliia after Russian strikes on homes killed three overnight, authorities said on the Telegram messaging app.