SINGAPORE: Oil prices edged higher in Asian trade Monday amid concerns over a supply disruption in the Middle East and Africa.

New York's main contract, West Texas Intermediate crude for delivery in March, gained 18 cents to $99.66 a barrel in morning trade.

Brent North Sea crude for March delivery was up 44 cents to $111.42.

"Oil prices continue to be affected by several factors, including the tense situation in Iran and Sudan," said Tony Nunan, energy risk manager at Mitsubishi Corp in Tokyo.

"We can expect prices to move sideways as markets are influenced by strong bullish and bearish factors," he told.

Talks between Iranian officials and a delegation from the UN atomic watchdog wrapped up late on Tuesday with no sign of any breakthrough over Tehran's nuclear programme, media reported