Seoul, Jumada I 27, 1437, March 07, 2016, SPA -- South Korea says it will unveil new unilateral sanctions against North Korea amid an escalation of tensions on the peninsula, dpa reported. The sanctions, to be announced Tuesday, are believed to include an entry ban on any ships that have been to North Korea, and adding more North Koreans to its blacklist, Yonhap News Agency said, citing unnamed sources at the prime minister's office. --SPA 10:17 LOCAL TIME 07:17 GMT www.spa.gov.sa/w