Iran has launched the first batch of ballistic missiles at targets deep inside Israel, the IRNA news agency reported, citing an informed source.

"An informed source in an interview with an IRNA correspondent said Iran has launched the first round of ballistic missiles at targets deep inside the occupied (Israel - ed.) territories," the agency said. 

Senior US officials believe that 400-500 drones and missiles from Iran, Iraq, Syria, South Lebanon, and Yemen will be launched at Israel, ABC News reported, citing a source.