DHAKA: Two of the men who carried out attacks in Brussels on Tuesday have been named by Belgian media as the brothers Khalid and Brahim el-Bakraoui.

The RTBF broadcaster said the pair were known to police. It is believed at least one was among three suspects seen in a CCTV image at Zaventem airport, reports the BBC.

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.

So-called Islamic State (IS) has said it was behind the attacks and warned that more would follow.

A minute's silence for the victims will be held at midday (11:00 GMT).

RTBF said the brothers were known to police and had criminal records.

The broadcaster said that Khalid el-Bakraoui had used a false name to rent the flat in the Forest area of the Belgian capital where police killed a gunman in a shootout last week.

It was during that raid that police found a fingerprint of Salah Abdeslam, the main suspect in the Paris terror attacks of 13 November.

BDST: 1512 HRS, MAR 23, 2016
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** Belgium mourns amid hunt for suspect