July 19 (Reuters) - The following are the top stories in the Wall Street Journal. Reuters has not verified these stories and does not vouch for their accuracy. - U.S. President Donald Trump and Russian President Vladimir Putin held a second, previously undisclosed talk on the sidelines of the G-20 summit in Hamburg earlier this month, a White House official said. on.wsj.com/2toMdKR- China's already formidable internet censors have demonstrated a new strength - the ability to delete images in one-on-one chats as they are being transmitted, making them disappear before receivers see them. on.wsj.com/2to6zE6- Crown Castle International Corp has reached an agreement to buy LTS Group Holdings LLC in a roughly $7.1 billion deal that would double its fiber-optic footprint and add key Northeast metropolitan markets.

Source: Wall Street Journal July 19, 2017 04:18 UTC