Shiva Purana
क्षेत्रे प्रविष्टमात्रेऽथ भैरवे भीषणाकृतौ ॥ हाहेत्युक्त्वा ब्रह्महत्या पातालं चाविशत्तदा ॥ ९५ ॥
As soon as Bhairava of terrible features entered the holy centre, Brahmahatyā felt aggrieved and entered the nether worlds.
english translation
kSetre praviSTamAtre'tha bhairave bhISaNAkRtau ॥ hAhetyuktvA brahmahatyA pAtAlaM cAvizattadA ॥ 95 ॥
hk transliteration by Sanscript