Manila, May 1 -- Senator Sherwin Gatchalian said on Thursday the reported "punit (rip) passport" or deliberate tampering with passenger's passport is a threat to the country's tourism industry.

In a statement, Gatchalian said if left unchecked this could drive away tourists and undermine confidence in the country's airport system.

"The reported 'punit passport' scheme is a serious threat to our country's reputation as a tourist destination," he said.

Gatchalian said authorities should immediately hold those responsible accountable, adding the Department of Transportation (DOTr) and airport authorities should formulate security protocols that ensure the safety of passengers without compromising convenience and comfort.

DOTr Secretary ...