Explainer-How the U.S. could tighten sanctions on Russia

FILE PHOTO: Plastic letters arranged to read "Sanctions" are placed in front of Russian flag colors in this illustration taken February 25, 2022. REUTERS/Dado Ruvic/Illustration

WASHINGTON (Reuters) - The United States has imposed several rafts of sanctions on Russia over its invasion of Ukraine in February, targeting its central bank, major lenders, oligarchs and Russian President Vladimir Putin.

Here are some ways in which the United States could further increase sanctions on Russia.