HK mourns graffiti king and his vanishing art

"I don't see any reason why they should be removed," said Bernard Chan, a member of the Executive Council -- Hong Kong's top policy advisory body and the Antiquities Advisory Board.

Lau Kin-wai, an art critic and friend of Tsang's for many years, called on the Hong Kong Art Museum to mount an exhibition to pay full tribute to Tsang's legacy.

"He has already become a cultural icon and part of the collective memory of Hong Kong. (His work) is important for our future and past," Lau said.