(ANSAmed) - MADRID, APRIL 19 - Representatives from Spain, France, Morocco and Portugal are taking part in a police summit in Lisbon today and tomorrow to analyse the phenomenon of terrorism and illegal immigration, sources from Spain's Interior Ministry have said in a statement. The meeting has centred on the phenomenon of international terrorism rooted in North Africa. The Moroccan delegation will provide figures on Al Qaeda activity in North Africa. Police chiefs and senior figures from the immigration offices within the security forces of the four countries will also analyse the fight against drug-trafficking and new organised crime routes for bringing drugs in to Europe and for drug networks to launder money. There will be particular focus on organisations who make profits from smuggling illegal immigrants. Police chiefs will also examine the current situation with regard to the fight against terrorism from the Basque group ETA. (ANSAmed).