Two suicide bombers who attacked the international airport in Brussels have been named by Belgian media as the brothers Khalid and Brahim el-Bakraoui.
The RTBF broadcaster said the pair were known to police. A third man pictured with them at the airport is still being sought.
Twin explosions at the airport and another at a metro station on Tuesday left about 34 dead and 250 wounded. Belgium is observing three days of national mourning. Read more