Joe Biden has defended the “difficult decision” to send widely banned cluster munitions to Ukraine, after he was condemned by human rights groups and a fellow Democrat said it was “unnecessary and a terrible mistake”.
Cluster munitions are prohibited by more than 100 countries. They typically scatter numerous smaller bomblets over a wide area, sometimes as big as a football pitch, and can kill indiscriminately. Those that fail to explode threaten civilians, especially children, for decades after a conflict ends.
Biden said he had made the move because the Ukrainians were running out of ammunition.
In an interview with CNN, the US president said: “This is a war relating to munitions. And they’re running out of that ammunition, and we’re low on it and so, what I finally did, I took the recommendation of the defense department to – not permanently – but to allow for this transition period, while we get more 155 weapons, these shells, for the Ukrainians.”
There is concern in Washington and other western capitals at the slow progress of Ukraine’s summer counteroffensive, as the war marks its 500th day on Saturday. Ukrainian commanders say their dug-in Russian opponents have superiority in artillery and heavy tanks, limiting the ability of their troops to advance.
On Friday, the Pentagon announced an $800m (£625m) military aid package to Ukraine that includes cluster munitions.
Jake Sullivan, Biden’s national security adviser, told reporters at the White House: “We recognise that cluster munitions create a risk of civilian harm from unexploded ordnance.
“This is why we deferred the decision for as long as we could. But there is also a massive risk of civilian harm if Russian troops and tanks roll over Ukrainian positions and take more Ukrainian territory and subjugate more Ukrainian civilians because Ukraine does not have enough artillery.
“That is intolerable to us. Ukraine would not be using these munitions in some foreign land. This is their country they’re defending. These are their citizens they’re protecting and they are motivated to use any weapon system they have in a way that minimises risks to those citizens.”
Ukraine’s president, Volodymyr Zelenskiy, described the aid package as “timely, broad and much-needed defense”, in a tweet thanking Biden for “decisive steps that bring Ukraine closer to victory over the enemy”.
“The expansion of Ukraine’s defense capabilities will provide new tools for the de-occupation of our land and bringing peace closer,” he wrote.
The timing is complicated for Biden, who will travel to Europe for a Nato meeting in Vilnius, Lithuania, next week. Jens Stoltenberg, the Nato secretary general, stressed on Friday that the military alliance took no position on cluster munitions. “So it is for these individual allies then to make those decisions,” he told reporters in Brussels.
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Human rights organisations criticised the president’s decision, noting that at least 149 civilians were killed or injured worldwide by the weapon in 2021, according to the Cluster Munition Monitor.
Most US allies – including Britain, Germany and France – signed on to the UN’s convention on cluster munitions in 2008. The US, Russia and Ukraine never signed the treaty, insisting there were circumstances in which use of the weapons was necessary.
Paul Hannon, a vice-chair of the International Campaign to Ban Landmines and Cluster Munition Coalition governance board, said: “The Biden administration’s decision to transfer cluster munitions will contribute to the terrible casualties being suffered by Ukrainian civilians both immediately and for years to come. Russia and Ukraine’s use of cluster munitions is adding to Ukraine’s already massive contamination from explosive remnants and landmines.”
Biden also faced a backlash from within his own Democratic party. Congresswoman Ilhan Omar, who will co-lead an amendment to the National Defense Authorization Act prohibiting the sale of cluster munitions, said: “We have to be clear: if the US is going to be a leader on international human rights, we must not participate in human rights abuses.
“We can support the people of Ukraine in their freedom struggle, while also opposing violations of international law. In fact, the innocent victims of the cluster munitions will almost exclusively be Ukrainian civilians. Instead of dealing cluster munitions, we should be doing everything in our power to end their use.”
Congresswoman Betty McCollum of Minnesota described the move as “unnecessary and a terrible mistake”, adding: “These weapons should be eliminated from our stockpiles, not dumped in Ukraine.”
The last concerted American use of cluster bombs was during the 2003 invasion of Iraq, according to the Pentagon. But US forces considered them a key weapon during the invasion of Afghanistan in 2001, according to Human Rights Watch. In the first three years of that conflict, it is estimated the US-led coalition dropped more than 1,500 cluster bombs in Afghanistan.
On Friday, Germany confirmed it opposed sending cluster munitions to Ukraine. The government spokesperson Steffen Hebestreit told reporters in Berlin: “We’re certain that our US friends didn’t take the decision about supplying such ammunition lightly. We need to remember once again that Russia has already used cluster ammunition at a large scale in its illegal war of aggression against Ukraine.”
A 2009 law bans exports of US cluster munitions with bomblet failure rates higher than 1%, which applies to virtually all of the US military stockpile. But Biden can waive prohibitions around the munitions, as his predecessor, Donald Trump, did in January 2021 to allow the export of cluster munitions technology to South Korea.
Sullivan said on Friday: “Russia has been using cluster munitions with high dud or failure rates of between 30 and 40%. In this environment, Ukraine has been requesting cluster munitions in order to defend its own sovereign territory. The cluster munitions that we would provide have dud rates far below what Russia is providing, not higher than 2.5%.
He added: “Ukraine is committed to post-conflict de-mining efforts to mitigate any potential harm to civilians and this will be necessary regardless of whether the United States provides these munitions or not, because of Russia’s widespread use of cluster munitions.”
Ukraine has provided written assurances that it will use the cluster munitions in a very careful way that is aimed at minimising risk to civilians, Sullivan added.