KUNMING, March 2 -- The Changshui International Airport in Kunming of southwest China's Yunnan Province has stepped up security checks on Sunday following the Saturday terrorist attack that left 29 civilians dead and more than 130 injured.

Travellers at the airport will be subject to more frequent and closer scrutiny over their body and luggage, airport officials said, adding that the enhanced checks will prolong the process and thus advising passengers to check in earlier.

The airport has also strengthened security measures by beefing up security presence and equipments. The airport has been in smooth operation, according to the officials.