KUALA LUMPUR, March 18 -- Malaysian Foreign Minister Anifah Aman said here Tuesday that his country had also sought help from almost all ASEAN leaders to reinforce air and surface assets in the current search and rescue operations for the missing MH370 flight.

Anifah Aman, who was present at the daily press briefing for missing flight at Hotel Sama Sama near the Kuala Lumpur International Airport, said it was impossible for many countries to join in the search and rescue operations if Malaysia did not have good relations with these countries.

Acting Transport Minister Hishammuddin Hussein said at the same press briefing that the search and rescue operations for the missing plane have narrowed the search corridors over the past 24 hours.

The search for the missing jetliner entered its 11th day on Tuesday after Malaysia revealed that the last words heard from the cockpit came from the co-pilot, Fariq Abdul Hamid, but could not say whether he signed off before or after a communications system was disabled.

MH370 flight lost contact with the ground on March 8. As of Monday, a total of 26 countries have been involved in the search and rescue operations.