US calls for negotiated solution and expresses alarm over potential 'mass atrocities' as paramilitary surrounds city.
Roughly 25,000 kites flew over the Danish island of Fano for its annual International Kite Fliers Meeting.
Few details are available after law enforcement said the suspected attacker was 'neutralised'.
Messi scores twice to become all-time leading scorer in men's World Cup history as Argentina reach knockout rounds.