Magnitude 5 earthquake hits Natanz area of central Iran, media say

March 21 (Reuters) - A magnitude 5 earthquake struck on Friday in the Natanz area of the central Iranian province of Isfahan where a key nuclear site is located, local media reported.

It was not clear if the tremor was close to the Natanz plant or if it sustained any damage. Initial reports indicated there were no casualties from the quake, with only windows of several residential units in a number of villages broken.