“Biden is obliged to answer the question of whether the U.S. carried out its threat,” foreign ministry spokeswoman Maria Zakharova said on social media, referring to President Joe Biden’s February vow to shut down Nord Stream 2 if Russia invaded Ukraine.

Tropical Storm Ian is expected to become a hurricane again later on Thursday before making landfall for the second time on Friday, the U.S. National Hurricane Center said, issuing a hurricane warning for the entire coast of South Carolina.