Iran Fire by Nasser Karimi / AP Friday January 20 th , 2017 at 4:56 AM World News Review 1 Share (TEHRAN, Iran) — Rescue teams worked through the night to try and reach trapped firefighters and other victims after a commercial building collapsed in Iran’s capital and killed at least 30 firefighters. Scores of workers and dozens of trucks were searching the ruins Friday, a day after a historic high-rise building in the heart of Tehran caught fire and later collapsed. The building was home to more than 500 garment and clothing workshops, their offices and warehouses, and was full of chemical materials, authorities said. Thursday’s disaster stunned the city and firefighters and others openly wept on the streets, holding each other for support. Dozens of people lined up to donate blood. “The smoke is a sign of continuation of the fire under the rubble,” said Saeed Sharifizadegan, head of Tehran’s fire department. Workers were d