Transport Malta immune from jurisdiction in UK courts in open top bus case

Transport Malta, as an extension of the Maltese state, could not be sued in a £1 million lawsuit filed before the Scottish courts by a tourist who suffered grievous head injuries when riding on an open-top bus which crashed into overhanging foliage on Valletta Road, Żurrieq. 
Two other tourists were killed, six others critically injured and 44 other passengers hospitalised when the sightseeing bus hit low-lying tree branches on April 9, 2018. 

Among those grievously injured was then 44-year-old Scot, Simon Morrison, who had just landed on a family trip to Malta the previous day. 
Tragedy struck when Morrison and his family decided to take a tour on an open-topped double-decker bus operated by City Sightseeing Malta Ltd, a family-run business.
The vehicle was going at around 60 miles per hour when it smashed into some low lying tree branches, one of which tore through the open deck where Morrison was seated. 
Four directors of the bus tour company, together with the driver involved in that fatal crash, were criminally prosecuted before a Magistrates’ Court which, in March last year, concluded that it was only the driver who had a case to answer. 
The court concluded that none of...