Moscow (AFP) - Russia President Dmitry Medvedev and Indian Prime Minister Manmohan Singh agreed on Sunday to work closely in the fight against terrorism after the Mumbai attacks in Mumbai, the Kremlin said. The two leaders held a telephone talks and "underlined their intention to activate their cooperation in the field of anti-terrorism," the Russian presidency said in a statement. The issue will be discussed during Medvedev's first official visit to New Delhi, which begins December 5. The Russian president has denounced as "monstrous" and "inhumane" a wave of coordinated attacks that left at least 195 people dead and close to 300 injured in the western Indian city. Meanwhile, the United States is swinging behind India's efforts to track down those behind the deadly attacks in Mumbai, President George W Bush told Indian Prime Minister Manmohan Singh in a telephone call Sunday. "President Bush told the prime minister that he has directed the State and Defense departments along with other federal agencies to devote the necessary resources and personnel to this situation," White House spokesman Gordon Johndroe said in a statement. Bush told Singh "we would all be working together, with the international community, to go after these extremists," Johndroe said. Bush also told the Indian leader that he believed "out of this tragedy can come an opportunity to hold these extremists accountable and demonstrate the world's shared commitment to combat terrorism."