Douglas Valder Duff

Their commander, Henry Tudor, remarked sourly to the mandate's attorney general that his gendarmes had to leave Ireland because of the principle of Irish self-determination and were sent to Palestine to resist the Arab attempt at self-determination.

One of their number, Douglas Duff, after whom the phrase to duff someone up comes from, went on to command the police in Jerusalem carrying an Irish blackthorn dagger that he'd used to knock Palestinians unconscious.

Later recalled the mentality with uncomfortable candor.

Mentally, I suppose he wrote, we were still living in the great days of empire.