U.S. Treasury Secretary Janet Yellen said there was a possibility G7 nations would support Ukraine by as much as $50 billion using loans linked to seized Russian assets, Sky News reported on Tuesday.

"I believe it's important for the G7 to work together to show a united front and to show that we can generate meaningful resources to support Ukraine over the next several years," she told Sky News.

"While America stands behind Ukraine and I expect Congress, if necessary, will pass future packages, Ukraine has substantial needs and being able to marshal significant resources to help Ukraine is important."

Sky's story on its website did not provide the full quote saying a loan was a possibility.

(Reporting by Sarah Young, writing by William James; Editing by Kate Holton)