It was narrated from Abu Sufyan bin Sa'eed bin Al-Akhnas that Umm Habibah, the wife of the Prophet (ﷺ), said to him, when he had drunk some Sawiq:
O son of my sister, perform Wudu', for I heard the Messenger of Allah (ﷺ) say: 'Perform Wudu' from that which has been touched by fire.'