Serbia

The government declared a one-month amnesty period for citizens to surrender unregistered weapons as part of a crackdown on guns following the two shootings this month that left 17 people dead.

Serbian police said they arrested a suspect in a shooting attack that killed at least eight and wounded 14, the nation's second mass shooting in two days. Serbia's president vowed tough gun measures.

Flights filled up and ticket prices sky-rocketed, apparently driven by fears that Russia's borders could close or that a broader call-up might send many Russian men to the war's front lines.

A handful of fans waving the Serbian flag greeted Djokovic at the airport.

Some 5,000 refugees and migrants are in Serbia, trying to reach European Union countries. With EU leaders fearing an influx of refugees, "Serbia is in a difficult position," says a refugees' advocate.

Protesters gathered hours after an announcement that a curfew would be reinstated. Now President Aleksandar Vučić says it "probably" won't happen — despite an "alarming" surge in cases.

An annual survey by the watchdog Freedom House says authoritarian leaders and the influence of China and Russia are undermining democratic progress achieved since the end of the Cold War.

Now that Hungary has restricted its previously open border with Serbia, thousands of asylum-seekers find themselves stranded on the Serbian side of the frontier.