Police in Brazil have for the first time arrested a sitting senator. Delcidio Amaral, who is a member of governing Workers' Party in the Brazilian work senate, was detained in connection with a corruption inquiry and the state oil company Petrobras. Wyre Davies reports. _________________________________ But in a rare development, the country's Supreme Court gave the federal police permission to detain Delcidio Amaral, the head of the governing Workers' Party in the senate. Also arrested is one of the Brazil's richest men and head of the BTG investment bank, Andre Esteves. Both men face further questioning as part of a federal police investigation into allegations of more than $2bn was paid in bribes and kickbacks, for lucrative contracts at Petrobras, the state controlled oil giant. World News from the BBC 巴西警方首次逮捕了现任参议员.迪尔西迪奥`阿玛劳尔是执政的工人党成员,同时是巴西现任参议员,他涉嫌介入之前的一场腐败调查,同时与国有石油公司佩特罗布拉斯公司有瓜葛.请看怀尔`戴维斯到来的报道. __________________________________但这次例外,巴西高级法院允许联邦警察逮捕工人党领袖迪尔西迪奥`阿玛劳尔.另外,巴西最有钱的人之一,BTG投资银行的领头人安得`埃斯特韦斯也遭到逮捕.有指控称巴西石油巨头佩特罗布拉斯公司为了获得有利的各种合同而卷入了一起逾20亿美元金额的贿赂案,巴西警方已对此展开了调查,被逮捕的两人都将面临更深入的质询. 这里是BBC为您带来的世界新闻.