At first Adrian doubted if these terms were genuine, and sent a cardinal to Salerno, to learn the truth. On being advised that all was straightforward, he declared his readiness to accept them. But a cabal in the German interest among the cardinals now put in such a strong opposition to the pope's intention, that, taken by surprise, he dropped it, and retracted his favourable answer to William. The truth was, a reconciliation between Adrian and William, would have seriously embarrassed Frederic Barbarossa's designs on Sicily;--to say nothing of the protection which such an event would secure to the pope against those farther aggressions on the Church, which the emperor had in view. Driven to desperation by the final decision of the pope, William, who, with all his faults, seems still to have been capable of a rash energy when real danger stared him in the face, resolved to throw himself again on the chance of war. Collecting a formidable armament by sea and land, he invested Brundusium; which, with the exception of the citadel, had fallen into the hands of Michael Ducas, the Greek general. [1] The citadel, which could not be subdued by arms, was obliged at last to yield to famine; when, in the moment that the garrison was about to close with the terms of surrender, proposed by the enemy, William came up with his army, and obliged the Greek commander, instead of taking possession of the citadel, to face about and fight a pitched battle for the town. The struggle was obstinate and bloody: fortune often changed sides; but at last declared for the Sicilians, into whose hands Ducas himself fell. The recovery of Brundusium, which followed this victory, seasonably placed at William's disposal a number of rich Greek captives,--whom he sent to Palermo,--much ready money and precious property, besides ships and stores. A crowd of Apulian malcontents had also the misfortune to fall into his power; on whom he did not fail to wreak his vengeance, by executing some; blinding and maiming others; and selling the rest into slavery.