Tuesday night reports of fatal incident -- seen as highly implausible and largely ignored in Israeli media -- are false, says Kurdish Regional Government

Image shows the MV Saviz, alleged control center for Revolutionary Guard forces, has remained stationary since it was apparently damaged in a blast, which Tehran blames on Israel

Jerusalem appears to be wading deeper into a water fight with Tehran in the Red Sea, while remaining vulnerable in the Persian Gulf, with no guarantees the US will dive in to help

Comment comes amid reports of apparent cyberattack on Iranian nuclear site, last week's reported Israeli commando raid on Iranian command ship in Red Sea

Armed forces spokesman says Iran probing who was behind the blast that struck alleged IRGC vessel, suspicions point to Israel and the US

State TV broadcasts grainy still shots of MV Saviz on fire and with a tall column of smoke rising into the sky; doesn't give cause of explosion

Jerusalem said to have told US it hit the Saviz vessel, reportedly a covert Revolutionary Guard base, in response to attacks on Israeli vessels