Internazionale and Milan have unveiled plans for their new Generali Stadium, which will replace the shared San Siro venue from the 2031-32 season.

The stadium, sponsored by Generali – Italy’s largest insurance company – will have a capacity of 71,500 seats and is expected to cost the two clubs €1.2 billion (£1bn). The plans were revealed at a gala event at Milan’s Castello Sforzesco on Thursday – but some fans in attendance voiced their opposition to San Siro being demolished.

Shortly before the briefing began, a group of Inter fans walked into the courtyard of the castle and unfurled a banner reading “you will never extinguish the lights at San Siro,” and chanting “hands off San Siro.” Work on the new stadium is set to begin in 2028, on the site of the existing 75,000-capacity venue.

The Generali Stadium will be shaped “low in the body, and rises up at either end” behind the goals, architect Norman Foster said.…