The station was swept for explosives.
The police officers were attacked at one of the station`s checkpoints.
Police spokesman Frederic Sacre said:`A message of an alleged bomb threat was sent to the police, all the people were evacuated from the station, the trains have stopped.
`This will continue until security services inspect the station, minimum an hour.`
The same station was evacuated two days ago as officials investigated a suspect package found in a car parked outside.
Belgium has been on high alert after coordinated suicide bombings at Brussels airport and at Maalbeek metro train station, which left 35 dead and was the deadliest terrorist attack in the country`s history.
Representatives from 70 countries and 25 international organisations are currently in Brussels for a major conference on Afghanistan.
US secretary of state, John Kerry and the UN secretary general, Ban Ki-moon are among those in attendance.
Belgian train station is evacuated `after two police officers are stabbed`
05 October 2016
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Brussels Nord Train Station has been evacuated and searched for bombs after three police officers were reportedly stabbed.
