Hong Kong's innovation and tech chief said the removal of protest song "Glory to Hong Kong" on Google's anthem search results has to be dealt with "in a legal way", as tech giant Google requires proven evidence that the song itself is against the local law. Sun Dong, secretary for innovation, technology and industry said in a TV interview on Saturday, that Google would only manually remove the protest song from the search results if the government has enough evidence to prove that the song is against law and if a court injunction is in place to ban the playing…