Thames Valley Police say they are investigating a disturbance during a funeral at Greyfriars Church in Iffley Road at around 11.20am this morning.
Police received reports that a man has suffered what are believed to be knife related injuries.
The extent of his injuries are unknown at this time. Officers are at the scene speaking to witnesses and attempting to calm tensions, Thames Valley Police say.
More top news
Any lingering showers clearing into tonight with a mostly dry but chilly night ahead. A cool but sunny start to Sunday.
Further heavy showers gradually clearing away this evening. Dry but chilly tonight, then dry with plenty of sunshine tomorrow.
Heavy showers turning potentially thundery this afternoon. Becoming dry but chilly tonight, then dry and sunny tomorrow.