Vehemently accused him - Violently or unjustly accused him, endeavoring to make it appear that he had been guilty of sedition in Herod's province.

The chief priests - vehemently accused him - Corrupt priests and teachers are generally the most implacable enemies of Christ and his truth. Evil passions betray those who are slaves to them. An affected moderation would have rendered these accusers less suspected, their accusations more probable, and the envy less visible than this vehemence: but envy seldom or never consults prudence: and God permits this to be so for the honor of truth and innocence. Quesnel.

And the chief priests and Scribes,.... The sanhedrim that followed him from Pilate's hall, to Herod's palace; fearing, lest Herod should be disposed to let him go, should he gratify him by working a miracle:
stood; before Herod; so witnesses, and accusers, used to do; See Gill on Mark 14:57.
and vehemently accused him; of the same things they had accused him before Pilate, with great bitterness and constancy, increasing, and aggravating the charges against him.

stood and vehemently accused him--no doubt both of treason before the king, and of blasphemy, for the king was a Jew.