There have been regular incidents involving Serbian clubs in European competition and in December 2012 England's under-21 match ended in chaos with players being attacked on the pitch amid accusations of racism.
Friends of Dr. Tiller also described regular incidents of vandalism at the clinic, and a barrage of threats to him and his family — threats they say had concerned him deeply for years.
Gilles Demailly, the Socialist mayor of Amiens, 75 miles north of Paris, told French journalists that "there have been regular incidents here, but it has been years since we've known a night as violent as this, with so much damage done".
There are regular incidents that highlight the broader struggle over the area.
Pakistan has suffered regular incidents of Taliban-related violence, sectarian strife and criminal gang activity.
"Since 2011, there have been regular incidents with the naked ones," says Delicia Roque Samuel, 42, speaking in her native Huni Kuin language through an interpreter.
In environments with regular incidents, there aren't enough hours in the day for subject matter experts (SMEs), such as engineers, to be involved in all of them.
Nevertheless, said Melissa Cohen, 18, a senior at Oceanside High School and another Pride for Youth regular, such incidents do not scare her.
The Brits – launched as the BPI awards in 1977 and rebranded in 1989 – attract frequent criticism for being too bland and mainstream, despite regular unscripted incidents over the years including Jarvis Cocker's stage invasion during a Michael Jackson performance in 1996.
