Greater demands were being placed on the police by growing violence and left and right-wing extremism.

不断增加的暴行和左翼右翼极端主义使得需要更多警力。

《柯林斯英汉双解大词典》

Mark Pitcavage, director of investigative research at the Anti-Defamation League, said right-wing extremism is experiencing a resurgence.

CNN: STORY HIGHLIGHTS

Traditionally, right-wing extremism has been disorganized and impulsive, and it has often been manifested through localized hate crimes against immigrants.

CNN: Disturbing look into mind of Norway suspect

He said he had deep concerns about growing right-wing extremism in Europe.

BBC: Tottenham MP wants security review in face of extremism