There is no clear answer to what happened in Oxford today based on the search results. The most recent news articles are from a few days ago, and they report on a variety of topics such as a canal arts festival, a corner shop being fined for an underage vape sale, and a football player signing a new deal with a club. Other articles discuss a month-long strike by workers at a homelessness charity, a former professor speaking at the Oxford Union, and a plan to restrict car journeys in Oxford. There is no mention of any major events or incidents occurring in Oxford today in the search results.