"The explosion was like an earthquake," German news agency DPA quoted Theodoros Ioannidis, who lives about 200m from the building, as saying.
"Shpërthimi ishte si një tërmet," citoi agjencia gjermane e lajmeve DPA të thoë Teodoros Joanidis, i cili jeton rreth 200 metra nga ndërtesa.