Manila, Oct. 22 -- Malacanang on Wednesday brushed off a "letter of sentiment" filed before the Independent Commission for Infrastructure (ICI) seeking to probe First Lady Liza Araneta-Marcos' alleged ties to former special envoy to China for trade Maynard Ngu, calling the complaint baseless and irrelevant to the ICI's mandate.

Palace Press Officer Claire Castro said in a briefing that the letter, submitted by a private citizen identified as John Santander, had nothing to do with the ICI's investigation into flood control projects.

A lawyer by profession, Castro also said the letter contained "hearsay evidence" and could amount to "a fishing expedition."

"Para siyang isang nuisance candidate, na parang binigyan ng pera para bumili ng s...