In things fall apart what chapter does Okonkwo kill a clansman?

Nothing awakens Okonkwo at the beginning of chapter 2.

Okonkwo has not yet gone to sleep at the beginning of chapter 2. However, Okonkwo is alerted by the ogene of the town crier, alerting him of a town meeting the next day, and informing him of some tragedy, by the crier's tone of voice.