The spirit of the opposite factions ran very high; the party of Somerset accusing that of York of treasonable designs, and that of York declaring that the court was plotting to destroy the duke as they had destroyed Gloucester. York retired to his castle of Ludlow, in Shropshire, where he was in the very centre of the Mortimer interest, and under plea of securing himself against Somerset, he actively employed himself in raising forces, at the same time issuing a proclamation of the most devoted loyalty, and offering to swear fealty to the king on the sacrament before the Bishop of Hereford and the Earl of Shrewsbury. The court paid no attention to his professions, but an army was led by the king against him. York, instead of awaiting the blow, took another road, and endeavoured to reach and obtain possession of London in the king's absence. On approaching the capital, he received a message that its gates would be shut against him, and he then turned aside to Dartford, probably hoping for support from the same population which had followed Cade. The king pursued him, and encamping on Blackheath, sent the Bishops of Ely and Winchester to demand why he was in arms. York replied that he was in arms from no disloyal design, but merely to protect himself from his enemies. The king told him his movements had been watched since the murder of the Bishop of Chichester by men supposed to be in his interest, and still more since his partisans had openly boasted of his right to the crown; but for his own part, he himself believed him to be a loyal subject, and his own well-beloved cousin.