The Dromkeen ambush took place on 3 February 1921, during the Irish War of Independence, at Dromkeen in County Limerick. The Irish Republican Army (IRA) ambushed a Royal Irish Constabulary (RIC) patrol, killing 11 policemen. The ambush was carried out by the flying columns of the East and Mid Limerick Brigades IRA, some 45 riflemen, under the command of Donnocha O'Hannigan commander of East Limerick Brigade Flying Column. Some time earlier the RIC had found the arms dump of the Mid-Limerick Brigade. Only one IRA volunteer—Liam Hayes—was wounded.