New Delhi, Jan. 5 -- President Donald Trump on Saturday warned that the US is targeting 52 sites in Iran and will hit them "very fast and very hard" if the Islamic republic attacks American personnel or assets.

"Iran is talking very boldly about targeting certain USA assets as revenge for our ridding the world of their terrorist leader who had just killed an American, & badly wounded many others, not to mention all of the people he had killed over his lifetime, including recently....hundreds of Iranian protesters. He was already attacking our Embassy and preparing for additional hits in other locations. Iran has been nothing but problems for many years," Trump said.

"Let this serve as a WARNING that if Iran strikes any Americans, or Ame...