SINGAPORE, Oct 18 (Reuters) – Oil prices rose on Tuesday, helped by a weaker US dollar and supply concerns, although gains were limited by the specter of lower fuel demand from China amid its strict zero-COVID policy holds.

Brent crude futures were up 82 cents, or 0.9%, to $92.44 a barrel by 0643 GMT, while US West Texas Intermediate (WTI) crude futures were up 86 cents, or 1.0%, to $86.32 a barrel barrels gained.

The US Dollar Index – which measures the greenback against six major peers…

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