Investing.com - Market sentiment took a hit earlier this week following a pair of suicide bomb attacks in Brussels, in which at least 31 people were killed and hundreds injured.
Global terrorist organization ISIS claimed responsibility for the attacks that targeted the city's airport and a metro station on Tuesday.
With fears mounting that ISIS’ presence in the European Union is far greater than previously believed, hard-liners from France to Britain have pointed to Tuesday’s attacks as fresh evidence of the potential dangers associated with the EU’s open-border policies.
The prospect of Britons voting for a "Brexit" at a June referendum increased in wake of the deadly Brussels attacks, fueling speculation such sentiment will spread to other EU member states, threatening the long-term viability of the Union.
The latest ICM poll on the referendum released on Wednesday showed that 43% of U.K. respondents were in favor of a Brexit, compared to 41% who preferred to remain in the EU and 16% who were undecided.
Meanwhile, bookmaker Paddy Power narrowed the odds on a Brexit to 36% in the wake of the attacks in Belgium, compared to odds of 33% on Monday, while political prediction website PredictIt placed the probability of leaving at 45%.
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