 When the Romanians entered the war on 27 August 1916 , the monitors were again at Rustschuk , and were immediately attacked by three improvised torpedo boats operating out of the Romanian river port of Giurgiu . The torpedoes that were fired missed the monitors but struck a lighter loaded with fuel . Tasked with shelling Giurgiu the following day , the Second Monitor Division , consisting of Bodrog and three other monitors , set fire to oil storage tanks , the railway station and magazines , and sank several Romanian lighters . While the attack was underway , the First Monitor Division escorted supply ships back to the Belene anchorage . Bodrog and her companions then destroyed two Romanian patrol boats and an improvised minelayer on their way back to Belene . This was followed by forays of the Division both east and west of Belene , during which both Turnu Măgurele and Zimnicea were shelled . 
