Iran also has blamed Israel for a recent series of attacks, including a mysterious explosion in July that destroyed an advanced centrifuge assembly plant at its Natanz nuclear facility. Now ships are under attack in the Mediterranean and Red Seas. A Wall Street Journal report indicated that some American officials were concerned over the timing of the strike on the Iranian ship. Israel and Iran have fought a clandestine war across the Middle East for years, mainly by land and air. Another is the November killing of Mohsen Fakhrizadeh, a top Iranian scientist who founded the Islamic Republic’s military nuclear program two decades ago. Last week, an Israeli-owned cargo ship, the Helios Ray, was damaged by a mysterious explosion in the strategically important Gulf of Oman. Israel Updating Plans to Attack Iran Sources told Business Insider that the US and Europe fear Israel is preparing a strike on Iran Dave DeCamp Posted on … Israeli Prime Minister Benjamin Netanyahu accused Iran of attacking the vessel. At the same time, tensions have been rising between arch foes Israel and Iran. Israel has vehemently opposed the nuclear deal. The alleged attack on the Saviz also comes amid a “shadow war” on the high seas between Israel and Iran over the past several years that has ramped up in recent months. Israel rarely confirms or denies strikes against Iran-linked targets, but sometimes claims credit for attacks that are a direct response to aggression by Iran or its proxies. Saeed Khatizadeh, a spokesperson for Iran's foreign ministry, told reporters Wednesday morning that "no fatalities were caused by the incident, and technical evaluations on how the incident occurred and its origins are underway." In an apparent escalation of the ongoing maritime battle between Israel and Iran, Israeli forces reportedly attacked an Islamic Revolutionary Guard Corps ship in the Red Sea, causing an explosion. The attack on Saviz comes as talks are progressing in Vienna on renewing the Iranian nuclear deal. Iran did not take responsibility for either attack. "Israel appears to be stepping up attacks on Iran to undermine diplomacy." According to The New York Times, it is the first such attack on an Iranian military vessel. Israel has blamed Iran for recent attacks on Israeli-owned ships in the region, but it’s not clear if Tehran was responsible. The Iranian cargo vessel Shahr-e Kord was damaged in the Mediterranean in mid-March. Official: Israel upgrading contingency plans for Iran attack. Israel has previously been accused of staging attacks on Iran to provoke reactions when seeking to derail detente between Tehran and the …