Corpus of Electronic Texts Edition
Cath Maige Tuired: The Second Battle of Mag Tuired (Author: [unknown])

section 125

But after the spear had been given to him, Rúadán turned and wounded Goibniu. He pulled out the spear and hurled it at Rúadán so that it went through him; and he died in his father's presence in the Fomorian assembly. Bríg came and keened for her son. At first she shrieked, in the end she wept. Then for the first time weeping and shrieking were heard in Ireland. (Now she is the Bríg who invented a whistle for signalling at night.)