The Pope urges countries not to take in more migrants than they can ‘assimilate’ and warns of the dangers of ‘ghettoizatio
Pope Francis was asked about the migrant crisis on a flight back to Rome 
Said countries should only take in refugees they know they can integrate
He also warned if they don’t, it could pave the way for dangerous ghettos
But he also added countries shouldn’t ‘close their hearts’ to those in need 

Pope Francis has urged countries not to take in more migrants than they can ‘assimilate’ saying it could lead to ghettoization.
The Pontiff had been had been on a visit to Sweden, which has welcomed 245,000 refugees in 2015, to mark the 500th anniversary of the Protestant Reformation.
But on the flight back to Rome, he held an impromptu press conference where he was asked about the European migrant crisis.