Conversation so far:
When did Richard I of Endgland's conquest of Cypress begin?
In April 1191 Richard left Messina for Acre, but a storm dispersed his large fleet.
Who were the others that Richard I of England thought would usurp his territories?
Who was Phillip II of France?
Phillip II of France was king of France.
Why were Richard I of England and Phillip II of France going to Cypress?
It was discovered that the ship carrying Richard's sister Joan and fiancée, Berengaria of Navarre, was anchored on the south coast of Cyprus.Survivors of the wrecks had been taken prisoner.
What happend during Richard I of England's conquest of Cypress?
Richard's troops, led by Guy de Lusignan, conquered the whole island by 1 June.
Did Richard I of England's conquest of Cypress include any battles?
Richard's troops, led by Guy de Lusignan, conquered Cypress by 1 June.
Did the people of Messina succeed in their revolt against Richard I of England?
Richard attacked Messina, capturing it on 4 October 1190.
Were there other battles with Richard I besides the revolt against richard I of england and conquest of cypress?
The occupation of Sicily

Question: Why did it create tension between Richard and Phillip?
Self-contained rewrite: Why did the occupation of Sicily create tension between Richard I and Phillip II?