A Russian team of 18 high-level investigators have arrived in Sharm El-Sheikh to review the results of the second Russian report concerning the Russian passenger flight that crashed in Sinai on October 31, Al-Bawaba News reported Friday. Egyptian security source revealed that the Russian delegation will help the Egyptian authorities in the investigations to be held in Sharm El-Sheikh Airport. They will also meet state officials representing the Egyptian Civil Aviation ministry. The source added that Russian President Vladimir Putin assigned a special envoy to attend the ongoing investigations. Putin's envoy will witness the preparations for Russia's high-profile official delegation expected to visit Egypt on December 15. The Airbus A321 was flying from the Red Sea resort of Sharm El-Sheikh to St Petersburg in Russia when it went down in central Sinai.