in the ethnic communities, so this will to some extent intensify the racism. for universities, foreign students like these ones here in singapore bring in plenty of money by paying higher tuition fees. beyond money, they also bring diversity, fresh ideas, and connections for the future. many experts believe western countries risk losing their competitive edge if foreign students feel unwelcome. missing out on all of that will have repercussions for not only universities but entire economies. as for xiang rong, he is willing to take the risk to pursue his dreams. to pursue his dream. sarah toms, bbc news, singapore let's get some of the day's other news: police in canada have arrested a man accused of killing four members of a muslim family with his pick—up truck. the police say it was a premeditated attack. the victims haven't been named,