Complex sentence: The arrests, initially lauded as a blow against an al-Qaeda inspired cell of radicalized youth, later became steeped in controversy the roles of two informants were made public, amidst allegations they "perhaps provoked" the youths to make militant statements.
Split into simpler sentences: The arrests, initially lauded as a blow against an al-Qaeda inspired cell of radicalized youth, later became steeped in controversy. The roles of two informants were made public, amidst allegations they "perhaps provoked" the youths to make militant statements.