India, Jan. 6 -- Iranian security forces and protestors clashed at the Tehran Bazaar in the nation's capital on Tuesday, with tear gas being fired to disperse demonstrators, amid the most significant protests to hit the Islamic Republic in three years.

The protests were triggered by anger over the rising cost of living, as the Iranian rial lost value again on Tuesday, reaching another record low against foreign currencies.

Iranian security forces have now killed at least 27 protesters, including five under the age of 18, after 10 days of demonstrations that began in late December, AFP reported, quoting the Norway-based NGO Iran Human Rights (IHR).

Iran's Fars news agency reported that "sporadic gatherings" occurred around the bazaar du...