European shares rattled by Crimean concerns
* Bouygues falls after being sidelined in SFR bid
* Euro STOXX 50 Volatility Index surges higher
* FTSEurofirst 300 dips to lowest since early February
* Crimea concerns weigh on global equity markets
By Sudip Kar-Gupta
LONDON, March 14 (Reuters) - European shares extended a pull-back on Friday as tensions in Ukraine before a weekend referendum in the country's Crimea region sent a pan-European equity index down to its lowest level in more than a month.
The uncertainty over Crimea, after Russia effectively occupied the region following the ousting in Kiev of former pro-Moscow Ukrainian President Viktor Yanukovich, also caused a spike in volatility in equity markets.
The pan-European FTSEurofirst 300 index, which rose 16 percent in 2013, was down by 0.7 percent at 1,283.84 points - marking its lowest level since early February.
The euro zone's blue-chip Euro STOXX 50 index also fell 0.7 percent to 2,998.92 points while the Euro STOXX 50 Volatility Index - a crude measure of investors' fears - surged 7.5 percent to its highest level since early February. Continuación...