intercommunal

in·ter·com·mu·nal

 (ĭn′tər-kə-myo͞o′nəl)
adj.
Existing or occurring between communities: intercommunal strife.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

intercommunal

(ˌɪntəˈkɒmjʊnəl)
adj
occurring or existing between communities
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Close to 1,000 Turkish Cypriots crossed from the north on Thursday to take part in an event at the Kokkina enclave, marking the anniversary of the battle of Tylliria in 1964 during the intercommunal strife.
The precautions were taken on Sunday due to what was described as "ongoing fighting, intercommunal violence, and violent crime," according to a State Department press release.
A Guide to Intra-State Wars: An Examination of Civil, Regional, and Intercommunal Wars, 1816-2014
The first sessions of the forum focussed on the media's role in intercommunal relations.
(Communists, opponents of Zionism in principle, had been marginalized and after the intercommunal killings of 1929 turned their attention toward Arab society.)