Battle. Belgian Authorities Say the suspects were armed here with heavy weapons, belgian officials also saying these suspects had recently returned from fighting in syria. Both al qaeda and isis have urged their followers to carry out these kinds of attacks all over the west. Katy indicate katy tur has more. Authorities say when they approached the home that the suspects immediately opened fire on them. Now they initially called them the weapons they had wargrade weapons. Were learning more about exactly what was discovered within that apartment. There were four ak47s, bombmaking products and Police Uniforms. Authorities say that they believe these alleged terrorists were plotting to attack police in the area of verviers very imminently. Thats why they moved so quickly. They had been surveying the people the past week or two, since they supposedly returned from syria. Witnesses reported hearing one large explosion, then a series of rapid gunfire immediately following that heavy machine