"Turkey in row over straits access
By Jonny Dymond
BBC News, Istanbul
The Bosphorus is wide enough, but its waters can be treacherous
Turkey is engaged in an international battle to restrict the use of one of the world's busiest waterways - the Bosphorus Straits.
The straits divide European and Asian Istanbul and are the main route for trade from the Black Sea out to the Mediterranean and beyond.
Russia has complained about Turkey's restrictions on the number of oil tankers that can use the channel.
Turkey is used to having international attention focused on the Bosphorus. "
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