Sources said Russia's Perm oil refinery halted refining operations after a drone attack on Aug 21.

Japan 10-year government bond yield rose 1.5 bps to 2.89%.

Risk sentiment improved as oil eased, sending eurozone government bond yields lower at the open. Jefferies strategist Mohit Kumar said Kevin Warsh is likely to stress policy credibility and the Fed’s readiness to act on inflation to rein in the long end of the yield curve. Tradeweb: Germany 10‑year -2.4bps at 2.324%; Ireland 10‑year -2.2bps at 3.388% — Moody's upgraded Ireland sovereign to Aa2 from Aa3 on Friday and kept a positive outlook.