Tel Aviv, Oct. 2 -- Israeli Prime Minister Benjamin Netanyahu said on Friday that Israel is investigating whether the Omani co-pilot who attacked Tel Aviv-bound flydubai flight pilot Captain Smit Machchhar in the cockpit was sent by someone.

In a video message released by the Prime Minister's Office, Netanyahu warned that the person or organisation behind the allegedly attempted crash will "pay a very heavy price."

Netanyahu reiterated his claim that the attacker co-pilot, underwent Islamist radicalisation and attempted to crash the plane, but his plan was foiled due to the heroic efforts of Captain Machchhar and other passengers.

"As time passes, the picture is becoming clearer. Yaniv and his heroic companions prevented a disaster on ...