The father of U.S. intelligence leaker Edward Snowden has held an "emotional" meeting with his son for the first time since the fugitive took refuge in Russia to escape U.S. justice, a report said Friday.

Lon Snowden met his son after arriving in Moscow from the United States on Thursday, Interfax quoted an informed source as saying, without specifying the time or place of the meeting.

U.S. fugitive Edward Snowden has been honored with a prize awarded annually by former CIA staff for exhibiting "integrity in intelligence," the group said Thursday.

The 30-year-old, currently in Russia, is wanted by Washington on espionage charges after disclosing details about the vast scope of the U.S. government's surveillance operations.

Russian Prime Minister Dmitry Medvedev on Thursday replaced the head of the state space agency Roscosmos after a series of high-profile setbacks including a deeply embarrassing rocket explosion upon takeoff.

Oleg Ostapenko, previously deputy defense minister, was appointed the new chief, replacing Vladimir Popovkin who lasted only 2.5 years at the post.

The father of U.S. intelligence leaker Edward Snowden arrived early Thursday in Moscow, hoping to meet his son for the first time since the latter became a fugitive.

Lon Snowden arrived at Moscow's Sheremetyevo airport, where his son had spent more than a month in transit limbo before Moscow agreed to grant him temporary asylum.

Uranium fuel from 20,000 disarmed Russian warheads is now generating about half of U.S. nuclear power in a spinoff from a landmark disarmament accord, a top U.S. official said Wednesday.

Rose Gottemoeller, U.S. under secretary of state for arms control, told a U.N. committee a 1993 accord between the two former Cold War rivals was one of a growing list of disarmament successes.

A judge and businessman from the troubled Russian republic of Chechnya were found dead Wednesday alongside a road in a neighboring region, officials said.

Adam Agakhadzhiev, a judge in Chechnya's arbitration court, and businessman Isa Atayav were gunned down by unknown individuals next to a road in Karbadino-Balkaria, investigators said in a statement.

The Netherlands on Wednesday apologized to Russia after police in The Hague detained one of its diplomats over the weekend amid an escalating spat, the foreign ministry said.

"Based on police information, Foreign Minister Frans Timmermans comes to the conclusion that the detention of the Russian diplomat... breached the Vienna Convention," ministry spokesman Thijs van Son said in an email.

Russian investigators said Wednesday several of the 30 Greenpeace activists already charged with piracy over an open-sea protest were set to face new charges for "other grave crimes" after finding drugs on their ship.

The environmental group vehemently denied the charge that their vessel, the Arctic Sunrise, had carried illegal drugs, calling the allegation a "smear."

Russian President Vladimir Putin said on Tuesday that Syria was "very actively" cooperating with chemical weapons inspectors and suggested that Indonesia join international peace talks on the crisis.

"Doubts about whether the Syrian leadership would adequately respond to the decision taken on chemical weapons -- these doubts did not bear out," Russian news agencies quoted Putin as telling reporters at a regional summit in Indonesia.

China's arms buildup over the last two decades would give it the power to invade Taiwan by 2020 even if allies came to the island's aid, a military report said Tuesday.

The mainland's annual military spending has grown on average by double-digit rates over the past 20 years or so, according to Taiwan's 2013 National Defense Report.