15:32World Business ReportFirst broadcast 06/12/2022 15:32 GMT : Russian oil cap: Tanker jam builds up on Turkish watersBBC World Service Duration: 27 minutes Tue 6th Dec 2022, 15:32 on BBC World Service News InternetAvailable for over a yearListen nowAnkara demands that any vessels navigating its straits are fully covered. Show more GenresFactualMoneyFormatsBulletinsBrandWorld Business Report Source: BBC Online