The Islamic State terror group has threatened four stadiums that will host the first legs of the Champions League quarter-finals this Monday. The Al Azaim Foundation, which is responsible for spreading messages from the Islamic State (ISIS, ISIS), has released an image of a poster threatening the Parc des Princes, Santiago Bernabeu, Metropolitano and Emirates Stadium. 'Kill them all', Ednews reports via AS.

The latest Islamic State attack is still recent and took place on March 22 at Crocus City Hall, a major Moscow concert hall. Several armed men dressed in camouflage entered and fired automatic weapons at the public. As a result of the crime, 143 people died and 200 people were injured.

The Madrid Government Delegation has activated two security devices ahead of this week's Champions League double-header in the Spanish capital. Both matches, Real Madrid-Manchester City and Atletico-Borussia Dortmund, have been declared high-risk by the Commission Against Violence and will involve more than 3,000 military personnel. Almost 8 thousand fans are expected to come to "Manchester City" and "Borussia Dortmund".