There had been no violence, no beatings-up until then.
beating-up in American English
(ˈbitɪŋˈʌp)
noun
1.
a severe thrashing administered for intimidation or revenge
2. Textiles
the process by which the loose pick is made an integral part of the woven material
Word origin
[1945–50]This word is first recorded in the period 1945–50. Other words that entered Englishat around the same time include: ergative, fail-safe, individual medley, synchronized swimming, taxi squad