SANTIAGO, Chile - A hacker broke into the Web page of Chile's presidency and planted the flag of neighboring Peru, leaving the site inoperable for about 18 hours until it was restored Monday.

A hacker broke into the Web page of Chile's presidency and planted the flag of neighboring Peru, leaving the site inoperable on Monday. The intruder left a message - "Long live Peru," followed by an expletive - as well as the flag around midday Sunday.