Things, Which Can Be Killed, and the Obligatory Expiation for It

6. A number of our people have narrated from Sahl ibn Ziyad from Ahmad ibn Muhammad from ibn abu Nasr from Muthanna’ ibn ‘Abd al-Salam from Zurarah who has said the following: “I once asked one of the two Imam, (abu Ja’far or abu ‘Abd Allah), ‘Alayhim al-Salam, ‘Can one in the state of Ihram kill a bug or flea if it attacks him?’ He (the Imam) said, ‘Yes, he can do so.’”