Ashwathama decides to kill Uttara's unborn baby

Ashwathama tells Duryodhan that he has killed the Pandavas. Duryodhan sacrifices his life. Ashwathama becomes shocked on seeing the Pandavas. Yudhishthir informs Ashwathama that he has killed the Upapandavas. Ashwathama decides to kill Uttara's unborn baby, and uses Brahmastra for the same. Arjun asks Ashwathama to withdraw the Brahmastra. He uses Brahmastra to stop Ashwathama. Krishna asks Arjun to withdraw his Brahmastra. Arjun tells Krishna that Ashwathama will not be able to withdraw his Brahmastra.