The only surviving of the three men possibly committing the attacks in Brussels on March 22, Najim Laachraoui has been arrested in Belgian city of Anderlecht.
The Belgian brothers were already being sought by police due to suspected links to the November terror attacks in Paris.
Yesterday, March 22, residents of the Ukrainian capital honored the memory of those killed in Tuesday's Brussels attacks.
The president of Ukraine has offered condolences to His Majesty King Philippe of Belgium over the deaths of victims of today's blasts in Brussels.
The Islamic State group warns of bringing "dark days" to US-led coalition countries for their military aggression against Daesh.
EU foreign policy chief Federica Mogherini said Tuesday's blasts in Brussels marked a "very sad day" for Europe, saying on a visit to Jordan that Europe is now suffering like the Middle East.
A wave of bombings that killed at least 30 people in Brussels was carried out by ISIS militants, the group has claimed.
Belgian newspaper Derniere Heure has issued a photo of two men having supposedly committed attacks in Brussels airport.
Footage of the first minutes after the blast in the Brussels airport Tuesday morning has been posted online.
Ukrainians are bringing flowers to the building of the Belgian Embassy in Kyiv at 4B Mykoly Raievskoho Str. in solidarity with the people of Belgium.
According to statements made by Belgium officials and metro authority representatives, the total number of those killed in the airport and metro attacks has reached 26 people. 136 persons received wounds.
Chairman of the Security Service of Ukraine Vasyl Hrytsak admits Russia’s involvement in the attacks at the airport and metro stations in Brussels (Belgium).
Metro stations not far from EU administrative buildings in Brussels have been affected by explosions, media report.
Two explosions have struck the departures area of Zaventem airport in Brussels. The Belgian government has confirmed there are casualties but has given no numbers yet, BBC reports.