Interpreter "unable to stay until the end of the court day"

https://www.oxfordmail.co.uk/news/20193670.delays-mean-child-sex-abuse-images-accused-cant-sentenced-friday/

9^th June

[…] But the case had to be adjourned until the end of the week as an earlier case overran and the Romanian interpreter explained that a prior appointment in Reading meant she was unable to stay until the end of the court day. […]