U.S. Sen. Bernie Sanders is preparing a series of Senate resolutions that would stop more than $20 billion in U.S. arms sales to Israel.

Senator Bernie Sanders is attempting to block over $20 billion in arms sales to Israel through a series of resolutions. The Associated Press reports that Sanders wrote a letter to his fellow senators Wednesday saying that “we must end complicity in Israel’s illegal and indiscriminate bombing campaign,

In his announcement, Sanders noted that the Biden administration last month approved arms sales to Israel totaling more than $20 billion that included systems tied to tens of thousands of civilian deaths in Gaza. He said exporting such weapons would violate human rights provisions in the Foreign Assistance Act of 1961 and Arms Export Control Act.