 Prior to the fighting, she and a group of Indonesian rebels associated with Bung Tomo had established a secret radio station in the city which broadcast pro-Indonesian Republic messages that were directed at the British soldiers in the city.She noted that several British soldiers were unhappy with the Dutch for misleading them about the Indonesian Republicans being Japanese puppets and extremists.Following the British bombardment of the city, Tantri contacted several foreign diplomats and commercial attaches from Denmark, Switzerland, the Union of Soviet Socialist Republics, and Sweden.