Unfortunately, the first installment of dinars did not arrive on schedule, and Richard—never known for being calm and collected—chose to respond by killing the Muslim prisoners, all 2700. They were paraded outside the city walls and executed in sight of Saladin's army. A 12th century biographer of Saladin, Baha ad-Din ibn Shaddad, recorded other reasons for the slaughter that do not place blame on Saladin:
The motives of this massacre are differently told; according to some, the captives were slain by way of reprisal for the death of those Christians whom the Musulmans had slain. Others again say that the king of England, on deciding to attempt the conquest of Ascalon, thought it unwise to leave so many prisoners in the town after his departure. God alone knows what the real reason was.
Saladin executed his 1000 Christian hostages in response. Battle was only to be expected next.
Richard's goal was to re-take Jerusalem. The key to that was controlling the port of Jaffa, further down the Mediterranean coast from Acre. Control of Jaffa meant being able provision his army from his ships that would be docked there. He started marching south.
Richard did not want the army stressed by heat and dehydration—issues that had plagued the Crusaders who were wiped out during the Battle of Hattin. He marched the army slowly, limited by the pace of the foot-soldiers and the baggage train, starting in the relative cool of the early morning and sheltering during the hottest hors of the day. Keeping the sea on one side also meant the Crusaders could not be surrounded, even though Saladin's army was mostly mounted and could move quickly. Richard kept mounted regiments ready for attacks. Discipline was tight. Baha ad-Din complimented them:
The Moslems discharged arrows at them from all sides to annoy them, and force them to charge: but in this they were unsuccessful. These men exercised wonderful self-control; they went on their way without any hurry, whilst their ships followed their line of march along the coast, and in this manner they reached their halting-place.
Saladin soon realized he would not be able to stop Richard's advance unless he committed the army to an all-out attack. The Crusaders were approaching an area where it might not b so easy to keep their tight formation: the Wood of Arsuf. One of the few frosted regions of Palestine, this miles-long wood would allow him to hide his army nd make a surprise attack.
On 6 September 1191, the Crusaders entered the Wood and rested. The next day, the only face-to-face battle between Saladin's and Richard's armies would take place. See you tomorrow.