The men were at their quarters, with shirt-sleeves tucked up, their heads bound by handkerchiefs, and belts round their waists. Another circle was made, when, just as the _Tornado_ had delivered her fire, a terrific sound was heard; the fort in front of her seemed to rise in the air, the flames shot upwards, and huge blocks of stone came hurtling down on either side. Loud cheers burst from the British crew. "Hurrah!" cried Tom, "I hope that won't be the only fort blown up before long." As he spoke, it was seen that several other forts were in flames. Soon after the squadron was brought closer in to attack the shipping within the mole. The shot and shell poured upon them rapidly did its work. Some of the vessels were sunk; others, with the rest of the storehouses, were set on fire. No efforts made by the Russians could quench the flames, which continued burning all night. The work was most complete; all the Government vessels, barracks, storehouses full of ammunition and military stores, were completely destroyed. Next day the Russians were, however, seen attempting to rebuild their earthworks; but a few shells from the _Arethusa_ dispersed them. Several Russian vessels having been captured at sea, the admiral sent in to propose to exchange their crews for those on board the vessels which had been detained in the harbour. The governor, however, replied that he had no authority to make an exchange of prisoners, which personally he much regretted. Admiral Dundas, on hearing this, sent his prisoners, who were all merchant seamen, on shore, observing that he was at war only with the Government of the country, and did not wish to inflict annoyance on the peaceable inhabitants. Some time after the return of the fleet to Baljik, the English merchant seamen who had been detained at Odessa made their appearance, having been released by order of the Czar, who would not be outdone in generosity by the English. Several vessels had been left in the north to cruise up and down the coast. Among them were the _Tornado, Tiger_, and two others. Several prizes had been made when the _Tiger_ parted company in a thick fog. Jack had been for some time looking out for her, when the sound of heavy guns was heard inshore. The _Tornado_, in company with another steamer, stood on in the direction from whence the sounds proceeded; in a short time a rapid firing of musketry was heard. "One of our cruisers is being engaged with the enemy," observed Higson. "I suspect so," said Jack; "but I very much fear that she must be on shore. At all events, we must stand in and drive away the enemy, while we try to get her off." Jack hailed his consort, and, putting on all steam, the two vessels stood towards the land. Just then the firing ceased, and directly afterwards, the fog lifting, Cape Fortan, a headland about four miles to the south of Odessa, appeared in sight. Every glass on board was turned in the direction of the land.