 "Oil prices edge up as Brent pushes further above $50")
Crude prices edged up in Asia on Monday, building on recent gains with Brent holding above $50 after Nigerian militants claimed fresh attacks on the country's oil infrastructure.
Prices see-sawed last week, plunging in the immediate aftermath of Britain's shock decision to leave the European Union but rallying after central banks worldwide vowed support to financial markets.
At about 0325 GMT, US benchmark West Texas Intermediate was up four cents at $49.03, while Brent rose seven cents to $50.42. Analysts said trading would likely be light Monday owing to the Independence Day holiday in the United States.
On Sunday a Nigerian rebel group claimed five attacks on the country's oil and gas infrastructure, threatening to scupper efforts to boost production.
The Niger Delta Avengers have been bombing pipelines in a bid to win the delta region a bigger share of crude revenue and political autonomy. The attacks have hit output from African largest oil producer.
"Supply disruptions in Nigeria are now becoming an ongoing issue," Hong Sung Ki, a Seoul-based commodities analyst at Samsung Future, told Bloomberg News.
"Things look better one day and worse the next day."
EY Services oil and gas analyst Sanjeev Gupta dealers were keeping an eye on the release Friday of US economic data, including on employment in the world's top oil consuming nation.
Prices see-sawed last week, plunging in the immediate aftermath of Britain's shock decision to leave the European Union but rallying after central banks worldwide vowed support to financial markets.
At about 0325 GMT, US benchmark West Texas Intermediate was up four cents at $49.03, while Brent rose seven cents to $50.42. Analysts said trading would likely be light Monday owing to the Independence Day holiday in the United States.
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The commodity rallied at the end of last week as news filtered through of an attack on a restaurant in Dhaka, which compounded worries about terrorism days after suicide bombers launched an attack on Istanbul airport.
On Sunday a Nigerian rebel group claimed five attacks on the country's oil and gas infrastructure, threatening to scupper efforts to boost production.
The Niger Delta Avengers have been bombing pipelines in a bid to win the delta region a bigger share of crude revenue and political autonomy. The attacks have hit output from African largest oil producer.
"Supply disruptions in Nigeria are now becoming an ongoing issue," Hong Sung Ki, a Seoul-based commodities analyst at Samsung Future, told Bloomberg News.
"Things look better one day and worse the next day."
EY Services oil and gas analyst Sanjeev Gupta dealers were keeping an eye on the release Friday of US economic data, including on employment in the world's top oil consuming nation.