In this task, you will be shown a passage. You need to write a fill-in-the-gap question based on your understanding of the events that might be inferred from the passage. Your question should be answerable based on the passage and only have one correct answer. Show the gap in your question with a _ .

Concerns are growing over Russian ships that have docked in a once-secret naval base in the Arctic. Military leaders in Norway are nervous about its powerful neighbour's presence on its 'strategically important' coastline following a spike in tensions between Russia and NATO nations. Some experts have criticised the shutting down of Olavsvern Naval Base - a huge complex buried in mountainous terrain near the town of Tromsoe - which has been closed since 2009. But fears have once again peaked after three Russian ships spent the entire winter docked deep within the mountain hideaway which was once a heavily guarded military facility.Three Russian ships that docked in Olavsvern Naval Base for the entire winterBase which was shut down in 2009 is nestled deep inside mountainous regionNorway's military fears Russian presence on 'strategically important' coastline
A former second in command for the Norwegian military said: '_ is a country where the state has a say over all commercial or semi-state business.

(CNN) -- Yale Historian Beverly Gage recently uncovered the first copy of an unredacted "anonymous" FBI letter sent to Martin Luther King Jr. telling him to kill himself. Click here to see the blacked out version of the FBI threat letter There are dozens of such menacing memos and letters held in the U.S. archives that detail the FBI's systematic plot to "neutralize" the civil rights leader. In retrospect it may be horrifying to know that the government had such a plan, but historians say the plot did have an upside. FBI wiretaps have "given us the most powerful and persuasive source of all for seeing how utterly selfless Martin Luther King was," as a civil rights leader, according to a leading civil rights scholar.FBI memo called King the "most dangerous ... effective Negro leader" in U.S.Hidden wiretaps turned up no Communist Party ties, just extramarital affairsJ. Edgar Hoover's contempt for MLK's private behavior shows in private memos
The almost fanatical zeal with which the FBI pursued King is disclosed in tens of thousands of _ memos from the 1960s.

(CNN) Video appears to show children gathered around someone handing out sweets moments before Saturday's suicide vehicle bombing that killed dozens of evacuees from besieged Syrian villages, the UN's human rights agency said Tuesday. The agency didn't give further details about the footage, such as whether it shows the explosion in Rashidin, a suburb of Aleppo in northwestern Syria. But the statement fits with other reports, including one from a witness who said many of those killed or injured in the attack were children who were picking up handout snacks. No one has claimed responsibility for the blast, in which 126 people -- including 68 children -- were killed, according to the Syrian Observatory for Human Rights monitoring group. Dozens of others were injured, according to Syria Civil Defense, the volunteer rescue groups also known as the White Helmets.Explosion hit people who were leaving their towns on SaturdayThe attack killed 126 people, including 68 children, monitoring group says

The explosion happened outside a line of parked buses that were evacuating hundreds of people from two regime-held but rebel-besieged villages in northwest _.