Four policemen were killed when he detonated his explosive belt.

他引爆了身上的炸弹腰带，4名警察当场死亡。

But now the bomb squads have come in, the man has been killed, and that explosive belt was fake.

现在防爆小组已经抵达现场，那名男子已经被警方击毙，爆炸腰带被证实是假的。