Wimbledon tightens security to prevent protests as tournament begins

Wimbledon officials have strengthened security and will use undercover "behavioural detection officers" in an attempt to prevent environmental protests at the tennis tournament, which began Monday.

Perfectly manicured green lawns with crisp white lines are the worldwide image of the tournament and the prospect of somebody sprinkling orange powder, the trademark of protesters who have invaded other major sporting events, is something organizers desperately want to prevent.

Last week's England versus Australia cricket test at Lord's Cricket Ground was briefly held up by powder-spreading protesters associated with the Just Stop Oil movement, following similar incidents at the World Snooker Championship and English Premiership rugby final.

"As we've seen in other sporting events, we can't guarantee anything, but we are extremely confident that the measures we've got in place are the right measures, and we're ready to deal with something if it happens," Sally Bolton, chief executive of the All England Club, told reporters at the club shortly before play began.

"Every year we work with the Metropolitan Police and other agencies to review our security arrangements in line with the relevant threat picture… We've certainly uplifted security in areas such as the gates and around the course, with enhanced bag searches, and we are communicating with people to explain how that may take a little more time."

Bolton said all visitors to Wimbledon for the tournament can expect to have their bags searched. Spectators have been warned they can't bring spray paint, personal protection sprays or glue onto the club's grounds.

Bolton said the increased security was not all about the numbers of people involved.

"Some of it is about the type of