"Pictured: Kevin Thomas arrives at Cardiff Crown Court, Wales, UK. Monday 18 February 2019<br /> Re: Former headteacher Kevin Thomas, who punched and kicked his wife after accusing her of having an affair, is due to be sentenced at Cardiff Crown Court, Wales, UK.<br /> Thomas, 47, attacked his wife and damaged her phone after a ""date night"" playing bingo and drinking.<br /> Thomas and now-estranged wife Donna Thomas had gone to Castle Bingo in Canton, Cardiff on November 24 and then the Castle pub and Brewhouse bar in the city centre, Cardiff Magistrates' Court heard.<br /> The former Glan-Yr-Afon Primary School in Cardiff headteacher, became ""paranoid"" after seeing his wife of seven years speaking to his relative Gareth Lloyd."