American and Cuban diplomats will hold the next round of talks on restoring diplomatic ties and reopening their embassies in Havana on Monday, the State Department announced.

Top U.S. diplomat for Latin American, Roberta Jacobson, will return on March 15 to the Cuban capital for a third round of negotiations, the department said in a statement.

A U.S. Patriot missile battery will take part in a joint exercise this month with Poland designed to reassure NATO allies anxious over a resurgent Russia, the Pentagon said Friday.

The Patriot systems, used to take out incoming missiles, will be deployed for the drill along with 100 U.S. soldiers and about 30 vehicles, spokesman Colonel Steven Warren said.

The U.S. military has carried out an air strike against a senior al-Shebab militant in Somalia and is still reviewing the results of the operation, the Pentagon said Friday.

The operation, which did not involve U.S. troops on the ground, took place on Thursday on a road south of Mogadishu and focused on "a high-value target," spokesman Colonel Steven Warren told reporters.

Three British girls who crossed into Syria to join the Islamic State group were helped by a Syrian working as a spy for a country in the U.S.-led coalition, Turkey's foreign minister said Friday.

Meanwhile, video footage emerged purportedly showing the agent helping the girls into a car in southeastern Turkey on their way to Syria.

U.S. Ambassador to Lebanon David Hale expressed concern on Friday over the risk of spillover of terrorism and extremism from Syria.

“Tackling the threats will not be easy, but I am confident that, together, we can ensure that Daesh (the Islamic State of Iraq and the Levant) will never find safe haven in Lebanon,” Hale told reporters after talks with Foreign Minister Jebran Bassil at the Bustros Palace.

North Korea fired seven surface-to-air missiles into the sea off its east coast on Thursday in an operation supervised by leader Kim Jong-Un at a time of heightened military tensions, South Korea's Defense Ministry said Friday.

A ministry spokesman said Kim was understood to have been on hand when the rockets were fired early Thursday evening from a site near the eastern town of Sondok.

A man in the U.S. capital was killed in a police shooting Thursday night in Washington's subway system, officials said.

Transit police responded to a call that a person had entered a subway tunnel just over a mile from the U.S. Capitol building, a Washington Metropolitan Area Transit Authority spokesman told Agence France Presse.

The U.S. government Thursday asked an appeals court to lift an injunction preventing President Barack Obama's immigration reforms from going forward.

Obama had used an executive order to bypass a hostile Congress and drive through measures to protect about four million undocumented foreigners from deportation in November.

Former U.S. president George W. Bush on Thursday hit out at a crackdown on student-led protests in Myanmar which have sparked international alarm, calling for the swift release of those arrested.

In a joint statement with his wife, ex-first lady Laura Bush, the former U.S. leader urged Myanmar to free student leader Phyoe Phyoe Aung, who is a part of a forum run by the Bush Institute.

Piling on more embarrassment for Hillary Clinton amid a row about her emails, U.S. officials revealed Thursday that during her time as secretary of state she had eschewed a government-issued cell phone.

Spokeswoman Jen Psaki said Clinton was "not issued a State Department BlackBerry, and that wasn't a requirement -- no one is required to be issued a State Department BlackBerry."