This siege detained Philip a long time; and it might have been relieved, had not Attalus and the Rhodians been dilatory.

The king sent only three hundred men for a garrison, and the Rhodians one quadrireme from their fleet, although it was lying idle at Tenedos: and afterwards, when the besieged could with difficulty hold out any longer, Attalus, going over in person, did nothing more than show them some hope of relief being near, giving no assistance to these his allies either by land or sea.
17.

At first the people of Abydus, by means of engines placed along the walls, not only prevented the approaches by land, but annoyed the enemy's ships in their station.

Afterwards a part of the wall being thrown down, and the assailants having penetrated by mines to an inner wall, which had been hastily raised to oppose their entrance, they sent ambassadors to the king about the conditions of the surrender of the city.

They demanded permission to send away the Rhodian quadrireme, with the crew, and the troops of Attalus in the garrison; and that they themselves might depart from the city, each with one suit of apparel.