By Samia Nakhoul and Parisa HafeziDUBAI (Reuters) - Commanders from Iran's Islamic Revolutionary Guards Corps (IRGC) and Lebanon's Hezbollah group are on the ground in Yemen helping to direct and oversee Houthi attacks on Red Sea shipping, four regional and two Iranian sources told Reuters. In his weekly news conferences, Iran's Foreign Ministry spokesman Nasser Kanaani has repeatedly denied Tehran is involved in the Red Sea attacks by the Houthis. Houthi spokesperson Mohammed Abdulsalam denied any Iranian or Hezbollah involvement in helping to direct the Red Sea attacks. The person said Iranian commanders had travelled to Yemen as well and set up a command centre in the capital Sanaa for the Red Sea attacks which is being run by the senior IRGC commander responsible for Yemen. According to two former Yemeni army sources, there is a clear presence of IRGC and Hezbollah members in Yemen.

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Persons: Samia Nakhoul, Washington, Nasser Kanaani, Houthi, Mohammed Abdulsalam, Abdulaziz al, Sager, Adrienne Watson, Abdulghani, Abdulsalam, Bashar al, Assad, Ali Khamenei, Iryani, Mohammad Ghobari, Angus McDowall, David Clarke Organizations: Reuters, Islamic Revolutionary Guards Corps, Hezbollah, Hamas, Foreign, Guards, Gulf Research, White House, Sana'a Center, Strategic Studies, Iranian Guards Locations: Parisa, DUBAI, Yemen, Iran, Gaza, Israel, Tehran, Saudi, Asia, Europe, Gaza ., Lebanese, Iraq, Syria, Iranian, Bab, Sana'a, Sanaa, Afghanistan, Pakistan, Washington, Gulf, Islam, Lebanon, Aden