(AGI) Rome, Sept 29 - No link has been found between theIslamists of ISIS and the murderers of Italian NGO worker,Cesare Tavella, in Dhaka, and the Bangladesh government is notruling out other possibilities, said Interior Minister,Asaduzzaman Khan Kamal. Deputy police commissioner, MuntashirulIslam, said it was a premediated action and: "There are otheroptions on the table." Spokesman for the elite police troops ofRapid Action Battalion, Maksudul Alom, said it may have been acommon crime, and the security forces were "concerned". Cesare Tavella, an aid worker with Dutch NGO ICCO, was shotdead on Monday evening while out jogging in the Gulshanneighbourhood, a residential area where the diplomaticcommunity lives. A few hours later, SITE, a U.S. organisationthat monitors Islamist websites, published messages attributedto ISIS claiming responsibility. The minister said ISIS has nopresence in Bangladesh and that in any case the people whotried to recruit on behalf of the organisation in the past hadalready been arrested. The U.S., Britain and Canada haverestricted the movements of their diplomats and have said theyhave "reliable" information that there could be further attackson westerners. The U.S. Embassy has advised its diplomats notto go out after dark, to avoid places crowded with foreigners,including international hotels and warned of the possibility ofattacks on U.S. targets. The British legation has also urgedits diplomats to stay away from events where they would be withother foreigners, warning of the risk of attacks "at the end ofSeptember". On Saturday the Australian cricket team postponedits departure for Bangladesh because of a government warning ofpossible risks (AGI) . .