In 1838, the Porte felt strong enough to renew the struggle, and war broke out once more. Ibrahim won his last victory for his father at Nezib on June 24, 1839. But the United Kingdom and the Austrian Empire intervened to preserve the integrity of the Ottoman Empire. Their squadrons cut his communications by sea with Egypt, a general revolt isolated him in Syria, and he was finally compelled to evacuate the country in February 1841.