مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3169
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from Ibn ‘Abbas (رضي الله عنه) that A lamb fell in front of the Messenger of Allah (ﷺ) whilst he was praying, and he did not interrupt his prayer.
Musnad Ahmad 3193A hasan hadeeth]