Conversation so far:
What war was Osceola leading?
In 1836, Osceola led a small group of warriors in the Seminole resistance during the Second Seminole War.
What attacks caused the Second Seminole War?
The Dade massacre was an 1835 defeat for the United States Army that greatly escalated the Second Seminole War, which lasted until 1842.
Why did the Seminoles kill Wiley Thompson?
After his humiliating imprisonment at Fort King, Osceola secretly prepared vengeance against Thompson.
Did Osceola kill Wiley Thompson?
The Seminoles were waiting for Osceola to join them on the attack at Fort King. However, at the time Osceola was busy killing Wiley Thompson.

Question: was he arrested?
Self-contained rewrite: Was Osceola arrested for fighting with Wiley Thompson?