Clint Brown, sports presenter for 3 News on TV3 in New Zealand has resigned amid the allegations that he had verbally attacked a taxi driver which resulted in him being admitted to hospital with a concussion and a broken eye socket. TV3 has confirmed that they have accepted the resignation of Brown. Rick Friesen, Chief Operating Officer of the TV Works division of CanWest MediaWorks NZ, that runs TV3, said: "We wish to acknowledge Clint's significant skills as a sports broadcaster, and thank him for his 17 years of very loyal service to TV3. Clint Brown is a passionate New Zealand sports fan, and he has been at the forefront of some of New Zealand's biggest sporting moments."

Based on that paragraph can we conclude that this sentence is true?
The taxi driver caused Clint Brown to attack him.
It's impossible to say