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Women speak to soldiers as they block the access to road close to Maalbeek - Maelbeek metro station in Brussels on March 22, 2016 after a series of apparently coordinated explosions ripped through Brussels airport and a metro train, killing at least 14 people in the airport and 20 people in the metro in the latest attacks to target Europe.
Security was tightened across the jittery continent and transport links paralysed after the bombings that Belgian Prime Minister Charles Michel branded "blind, violent and cowardly". / AFP / PHILIPPE HUGUEN        (Photo credit should read PHILIPPE HUGUEN/AFP/Getty Images)
Women speak to soldiers as they block the access to road close to Maalbeek - Maelbeek metro station in Brussels on March 22, 2016 after a series of apparently coordinated explosions ripped through Brussels airport and a metro train, killing at least 14 people in the airport and 20 people in the metro in the latest attacks to target Europe.
Security was tightened across the jittery continent and transport links paralysed after the bombings that Belgian Prime Minister Charles Michel branded "blind, violent and cowardly". / AFP / PHILIPPE HUGUEN        (Photo credit should read PHILIPPE HUGUEN/AFP/Getty Images)

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Report: Second suspect involved in metro attack

French and Belgian media report authorities are searching for a second suspect in the bombing of the metro station in Brussels. CNN's Nima Elbagir reports.

Report: Second suspect involved in metro attack

French and Belgian media report authorities are searching for a second suspect in the bombing of the metro station in Brussels. CNN's Nima Elbagir reports.