berlin the german assistant referee felled by a thrown beer cup which led to fridays bundesliga game being abandoned wants a zerotolerance policy towards anyone caught doing the same thinghost club bochum can expect hefty penalties and their officials have apologised after assistant ref christian gittelmann was struck by a full cup thrown from the standswith bochum losing 20 at home to moenchengladbach the game was abandoned with 19 minutes remaining after gittelmann was left dazed on the sidelinesa comprehensive zerotolerance policy with a clearly defined penalty that is known to everyone in advance should be worked out gittelman told the german fa websitehe was recovering at home saturday after being treated in hospital for whiplash and a bruised skullthis is the only way to end such acts of violence and especially the acts of violence against our referee colleagues on amateur pitches he addedmatch referee benjamin cortus said he was left with no alternative other than to abandon fridays game with gittelmann dazed and needing medical attentionit really got to me especially since it unexpectedly hit me in the head with full force gittelman addedthe german football association are investigatingbochum have said they will take action against the offender with a stadium ban exclusion from the club or confiscation of the season ticket as well as claims for damagesbochum sports director sebastian schindzielorz said the act of a single person casts a cloud over a very positive season following their promotion back to germanys top flightit was not an isolated incident at the bochum groundduring fridays game the host club repeatedly asked fans to stop throwing items onto the pitchduring previous home games drinks cups had often flown from the standsbochum captain anthony losilla even appeared in a video message before kickoff friday telling fans that beer is for drinking not throwinghow stupid can you be bochum chairman hanspeter villis fumed in german daily bilda few people are ruining everything we have built up here for years its appalling