Spaghetti House

Spaghetti House is a 1982 Italian comedy film directed by Giulio Paradisi. 
It is loosely based on the Spaghetti House siege which occurred in 1975.
Plot.
In an attempted armed robbery of an Italian restaurant in London, the staff members are taken hostage by three gunmen. The police besiege the building, but in the meantime an unexpected solidarity among hostages and criminals is born.