The Leisure and Cultural Services Department on Saturday blasted spectators who trespassed on the pitch at the Inter Miami Hong open training session at the Hong Kong Stadium, saying they had caused chaos.

"​The Leisure and Cultural Services Department strongly condemns the behaviour of a number of spectators who ignored the safety of the public and the players and trespassed on the pitch in violation of regulations at the Tatler XFEST Hong Kong open training session held at the Hong Kong Stadium in the afternoon today, causing chaos at the venue," it said in a statement.

The department also told fans to stay in their designated seats for Sunday's match between Inter Miami and a select Hong Kong eleven, which will also be held at the stadium.

"The organiser solemnly reminds spectators entering the stadium tomorrow not to trespass on the pitch area and cause nuisance," it said.

The department said anyone who broke the rules would be treated strictly, expelled from the stadium, and reported to the police.

On Saturday, the star-studded Inter Miami squad, along with superstar striker Lionel Messi, held the training session in front of a large crowd of fans.

The US club's co-owner - former England star David Beckham - was introduced to the crowd before the session, which included a community coaching event.

Also present was deputy Chief Secretary, Warner Cheuk, who welcomed the Major League Soccer team.

"It's absolutely fantastic to see so many football lovers here today in the stadium," he said. "I can see and hear your excitement coming to the stadium to watch the open training of Inter Miami CF team.

"First of all, on behalf of the Hong Kong government, may I extend a very warm welcome to the Inter Miami CF team. Welcome to Hong Kong."

In addition to local fans, people from the mainland and overseas also made their way to the venue to see the Inter Miami team, which also includes other big names like Luis Suarez, Jordi Alba, and Sergio Busquets.