When play is suspended by the Management for a dangerous situation, If the players in a match or group are between the play of two holes, they must not resume play until the Management has ordered a resumption of play. If they are in the process of playing a hole, they must discontinue play immediately and not resume play until the Management has ordered a resumption of play. If a player fails to discontinue play immediately, he/she will be disqualified.
Discontinue play: Three consecutive notes of siren repeated. Resume play: Two short notes of siren, repeated.
In the above cases, players should mark their ball and when play is resumed return to complete the round.
Rule 6-8b, 33-2d -
Greenstaff & Staff On Course
Priorty should be given to staff out on the course