North Korea has moved two medium-range missiles to its coast, news sources report.
Reports from South Korea's Yonhap news agency reported Friday that the two missiles had been placed on mobile launchers, according to Al Jazeera. The United States has responded by strengthening its Pacific missile defenses.
The move by North Korea is only the latest in a series of provocative moves and rhetoric that has escalated tensions between it and South Korea and the United States, Al Jazeera reports.
The government of North Korea has railed for weeks against joint U.S. and South Korean military exercises taking place in South Korea and tightened sanctions rolled out February in response to a internationally condemned nuclear test, according to Fox News.
The North Korean army warned the U.S. Wednesday that its military had been cleared to wage a nuclear attack on the country, Fox News reports. Despite the threat, analysts do not expect North Korea to go through with a attack which would lead to a destructive, suicidal war.
White House spokesman Jay Carney said that the communist country's behavior followed a regrettable, but familiar pattern of behavior, Al Jazeera reports.