Numerous European leaders are voicing their solidarity with Belgium in the wake of today's (Tuesday) devastating attacks, AFP reports
"Our Union's capital is under attack. We mourn the dead and pledge to conquer terror through democracy," the Greek Foreign Ministry said in a tweet.
It added in French, "Nous sommes tous Bruxellois," -- "We are all citizens of Brussels."
Spanish Prime Minister Mariano Rajoy said: "Terrorism will never defeat us. The union of democrats in Europe will always prevail over barbarism and madness."
In Paris, the Eiffel Tower was to be lit up in the colours of Belgium on Tuesday night in homage to "the victims, their families and the Belgian people," said city mayor Anne Hidalgo.
"The whole of Europe has been hit," French President Francois Hollande declared, urging the continent to take "vital steps in the face of the seriousness of the threat."
"At this difficult hour, Europe stands up, together and as one. Belgium is not alone," German Foreign Frank-Walter Steinmeier said while British Prime Minister David Cameron pledged: "We will never let these terrorists win."