After all personnel retreated from the ventilation tunnel, the shotfirer and the foreman then went to the south and north bound tunnels to inform workers to evacuate from the tunnels.

• 在所有工人都撤离通风隧道之后，引爆手（俗称炮王）与管工又到南行及北行隧道，通知两隧道内的工人疏散。