Collocations for massacre - noun

appalling (esp. BrE), bloody, brutal, terrible
an appalling massacre of women and children

genocidal
indiscriminate, wholesale
He accused the troops of the indiscriminate massacre of civilians.

be responsible for, carry out, commit, perpetrate, take part in
The massacre was carried out by enemy troops.
As many as fifty men took part in the massacre.

be killed in
escape, survive
condemn, denounce

take place

massacre by
a massacre by rebel soldiers

the victims of a massacre