The incident took place around 190 miles southwest of Moscow when five rangers tried to arrest the 64-year-old man at his home.
Hundreds of people remain cut off behind the front line, with frustration growing over the lack of information from local authorities.
Australian Foreign Minister Penny Wong warned that the response would be “unequivocal” if Moscow did not treat Mr. Jenkins in accordance with international law.
EU foreign policy chief Kaja Kallas urged the bloc to strengthen its ability to counter threats in space.
Journalist Andrea Lucidi said he wanted to live in Russia because he views it as a “second home.”
The SBU said it seized almost 500,000 metric tons of bauxite and alumina that were stored at a Deripaska-owned plant that Ukraine nationalized.
By classifying their companies as micro-businesses, billionaires can conceal cash flows and avoid strict reporting requirements.
“It’s madness,” one official told The Financial Times. “How stupid could we be to even think about that as an option?”
State media reported that champion skating couple Yevgenia Shishkova and Vadim Naumov were among those on board the crashed American Airlines plane.
Serbian protesters have regularly taken to the streets since the deadly collapse of a train station roof in November.