A U.S. congressional committee is investigating the alleged China-linked funding of a leftist group that has organized pro-Palestinian protests in the United Kingdom.

The House Ways and Means Committee, led by Rep. Jason Smith (R-MO), is reportedly investigating more than $330,000 in alleged payments to a company tied to feminist grassroots organization Code Pink from firms linked to Neville Roy Singham, a former tech mogul who has been accused of funding left-wing nonprofit groupss and promoting Chinese propaganda. Singham is based in Shanghai, China.