Oil prices open lower as EU struggles to seal Russia import ban

Oil prices opened lower in early Asian trade on Tuesday after the European Union's efforts to enact a ban on Russian oil imports, a move that would tighten global supply, ran into resistance from member country Hungary.

Brent crude futures fell 35 cents, or 0.3 percent, to $113.89 a barrel at 0004 GMT, while U.S. West Texas Intermediate (WTI) crude futures fell 52 cents, or 0.5 percent, to $113.68 a barrel.