Image source, EPAImage caption, Iranian state TV broadcast images of Isfahan which appeared to show no signs of damageBy Sean Seddon and Daniele PalumboBBC NewsUS officials say Israel hit Iran with a missile in the early hours of Friday, in what appears to have been a retaliatory strike after weeks of escalating tensions between the two countries.There are competing claims about the scale of the attack on the Isfahan region and the extent of any damage, with Iranian state media downplaying its significance.It comes after weeks of soaring tensions between the regional rivals, which have…