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Sheikh Muhammad Ayed gave the speech at the Al-Aqsa Mosque in Jerusalem.

He claimed Europe was only welcoming refugees as they were a new source of labour.

He claimed that Europe was facing democratic disaster and urged Muslims to have children with westerners in order to 'trample them underfoot, Allah willing."

According to infowars.com, Ayed said Europe was old and decrepid and needed "human reinforcement."

In the video published online on September 11, 2015, he slammed Germany as not being a compassionate country for accepting the refugees but that the nation was being forced to take them.

The comments come as the latest figures, released by the EU's official statistics body, Eurostat, show that by 2080, the number of people living in Germany will have slumped by 15 million.

In Germany, the number of people in the 20-64 year old age bracket is predicted to fall by around 30 per cent by 2060.