Hard explosion next to the Palace of Congresses of Madrid A strong explosion has registered this morning next to the Palace of Congresses of Madrid. According to eyewitnesses, a car is destroyed in the Avenue of the $andes. The police and cash of the SAMUR are moving to the place of the facts and the buildings of the zone are being evacuated. The place of the outbreak is to few meters of IFEMA, where this late ARC with the attendance of the Kings and the president of Mexico is inaugurated, Vicente Fox.