Brussels attacks: Why the two suicide bombers were wearing black gloves

The gloves may have been concealing bomb detonation apparatus

Both the suspected suicide bombers could be seen on airport CCTV wearing a glove on their left hands (Getty Images)

The men suspected of bombing the Zaventem airport in Brussels were captured on CCTV each wearing a black glove on their left hands.

And some believe the gloves may have been worn to conceal the bomb detonation apparatus.

Belgian newspaper La Libre said it had sources who claimed the gloves may have been worn to hide the mechanisms of the detonators, but this has not been confirmed.

At least 31 people were killed in the two explosions at the airport and another at Maelbeek Metro station with a further 198 injured.

One of the men suspected being behind the airport explosions is Brahim el-Bakraoui (pictured above on the right) while his brother, Khalid, is suspected to have been killed at the Metro station.

Both brothers had criminal records but nothing in relation to terrorism, reports broadcaster RTBF.

The other man (pictured on the left) in the CCTV footage has yet to be named.

Using a false name, Khalid el-Bakraoui rented a flat in Rue De Dries where police killed a gunman during a raid on 15 March.

A fingerprint belonging to Salah Abdeslam, the main suspect behind the Paris attacks, was found during that raid.