European Union leaders pledged today to boost their support for conflict-ravaged Libya as the number of people fleeing Africa on crowded, unsafe boats for better lives in Europe continues to rise.<br/>'<br/><br/>European Council President Donald Tusk said the central Mediterranean Sea route to Italy for unauthorized migrants remains critical in terms of irregular arrivals.<br/>'<br/>Tusk said on the second day of two-day EU summit in Brussels while it is true that we are taking many of the right steps, the only result that really matters to us is to put a definitive end to this tragic situation, <br/>'<br/><br/>The United Nation's migration agency estimates that around 70,000 people have arrived in Italy from Libya so far this year. <br/>'<br/>''''''<br/>