MANAMA, Bahrain — Bahrain state TV reported Saturday that 25 Shiite activists have been charged with forming a terrorist network and trying to topple the country's Sunni-dominated government.The 25 men facing charges are among some 250 Shiites who have been arrested since mid-August over allegations of disrupting public security.State TV said that two of the men were charged in abstentia and no trial date has been set.The crackdown follows a series of violent Shiite-led protests accusing the government of discrimination.Most of the detained activists are members of two Shiite opposition groups — the HAQ Movement for Liberty and Democracy and the Islamic Wafa group.