Nearly 30 firefighters are working to extinguish the “well-developed” blaze in County Antrim.
Johnny McMurray pens a two-year contract with Larne, becoming the club’s third signing of the summer.
Former Linfield centre-half Albert Watson joins newly-promoted Larne after spending the second half of last season at Ballymena United.
Uefa clear the Ballymena Showground to host Ballymena United’s Europa League home leg in July.
The victim, 20, is in hospital after he was attacked and robbed in an underpass in County Antrim.