It happened at about 14:00 BST on Thursday, police said.
Dressed in white, they demanded "an immediate answer to combat extortion and targeted killings".The MP for Canterbury Rosie Duffield, who left the Labour Party because she said she felt "hounded" over her views on gender, has said she wants an apology from the prime minister.
Ms Duffield now sits as an independent MP after falling out with the leadership over several issues, including her stance on women-only spaces., a ruling Sir Keir Starmer has said he agrees with., Ms Duffield said she would like an apology from her former leader for how she was treated, but added it was "pretty obvious he's not going to, isn't it?"
"I would like an apology for all of the members of the Labour Party who've been investigated, blocked, barred from being candidates," she said."That's happened for the last few years and we'll never know the names of a lot of those people, they've had to stay anonymous.
"These are people who've lost their jobs in government departments and the NHS, just for stating their views about biological sex, which are actually protected by law."
When asked if she thought an apology would be made, she said: "I think it would be nice, but he's not going to, that's just not his style."The late Tina Turner came to Portman Road in 1990 as part of her Foreign Affair tour that included 121 shows.
Notably her Portman Road show was the first ever concert to be held at the stadium.Songs performed to the thousands included What's Love Got to Do With It, Proud Mary, Show Some Respect and many more.
Stewart has performed not once, not twice, but three times at Portman Road.He first took to the stage in 1991 with fans queuing for hours to ensure they got a good spot once inside the stadium.