Śrīmad-Bhāgavatam · Text 4.28.12
Who is speaking and story frame
तस्यां सन्दह्यमानायां सपौर: सपरिच्छद: ।
कौटुम्बिक: कुटुम्बिन्या उपातप्यत सान्वय: ॥ १२ ॥
tasyāṁ sandahyamānāyāṁ
sapauraḥ saparicchadaḥ
kauṭumbikaḥ kuṭumbinyā
upātapyata sānvayaḥ
When the city was set ablaze, all the citizens and servants of the King, as well as all family members, sons, grandsons, wives and other relatives, were within the fire. King Purañjana thus became very unhappy.
Read Śrīla Prabhupāda's purport on Vedabase.io