<sod >Some terrorism experts said the latest atrocity showed the group lashing out as it suffers military defeats in its territories and has top commanders picked off by air strikes.< eod>< sod > â However, terrorism experts sayÂ the latest atrocity in BrusselsÂ showsÂ the group lashing out as it suffers military defeats in its territories and has top commanders picked off by air strikes.< eod>