Complex sentence: The center of Tehran was locked down after crowds of anti-regime demonstrators tried to gather there from across the city, the government denied the claim saying things were "peaceful" although the deputy police chief admitted that special forces had been deployed.
Split into simpler sentences: The center of Tehran was locked down after crowds of anti-regime demonstrators tried to gather there from across the city. The government denied the claim saying things were "peaceful" although the deputy police chief admitted that special forces had been deployed.