(NEW YORK) — Russian President Vladimir Putin’s “special military operation” into neighboring Ukraine began on Feb. 24, with Russian troops invading from Belarus, to the north, and Russia, to the east. Russian forces have since been met with “stiff resistance” from Ukrainians, according to U.S. officials.
In recent days, Russian forces have retreated from northern Ukraine, leaving behind a trail of death and destruction. After graphic images emerged of civilians lying dead in the streets of Bucha, a town northwest of Kyiv, the United States and European countries accused Russia of committing war crimes.
Here’s how the news is developing. All times Eastern:
Apr 12, 7:26 am
Ukraine investigating alleged chemical attack in Mariupol
Ukraine announced Tuesday it is investigating claims that chemical weapons were used in an attack against Ukrainian soldiers in besieged Mariupol.
The Azov Regiment, a far-right group now part of the Ukrainian National Guard, alleged in a statement via Telegram on Monday that a Russian drone had dropped “a poisonous substance of unknown origin” on its fighters defending a giant metals plant in Mariupol, a southeastern port city in Ukraine’s Donetsk Oblast that has been subjected to heavy bombardment since the Russian invasion began on Feb. 24. The Azov, which did not provide evidence of the alleged attack, said its fighters had suffered minor injuries.
The claims could not be independently verified by ABC News.
Eduard Basurin, a spokesperson for Russia-backed separatist forces in Donetsk Oblast, denied the allegations, telling Russian news agency Interfax that separatist forces “haven’t used any chemical weapons in Mariupol.” However, on the eve of the alleged attack, Basurin appeared to urge their use, telling Russian state media that Russia-backed forces should seize the Mariupol metals plant from Ukrainian soldiers by blocking all the exits and using “chemical troops to smoke them out.”
Ukrainian Deputy Defense Minister Hanna Maliar said Tuesday the government is investigating the claims, adding that preliminary information suggested phosphorous munition had been used.
When deployed as a weapon, phosphorus can inflict excruciating burns and lead to infection, shock and organ failure. Although phosphorus is not classified as a chemical weapon under the Chemical Weapons Convention, its use as an incendiary weapon in civilian areas is forbidden under the Geneva Conventions.
The United Kingdom is “working urgently” to investigate the reports, according to U.K. Foreign Secretary Liz Truss, who noted that any confirmed use of chemical weapons in Mariupol would be a “callous escalation” of the war.
U.K. Armed Forces Minister James Heappey told Sky News on Tuesday that “all options are on the table in terms of how the West might respond.”
Meanwhile, the United States said it was “aware” of the reports.
“We cannot confirm at this time and will continue to monitor the situation closely,” Pentagon press secretary John Kirby said in a statement Monday. “These reports, if true, are deeply concerning and reflective of concerns that we have had about Russia’s potential to use a variety of riot control agents, including tear gas mixed with chemical agents, in Ukraine.”
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