(see related story) Vatican City, April 3 - Pope Francis urged young people to face today's time of "wars and sin" by embracing the "certainty" that Jesus is alive. "I saw that there are many young people in the square," Francis said at his general audience in St Peter's Square. "Young boys and girls, to you I say bring forth this certainty the Lord is alive and walks beside us on our life's journey. "Bring forth this hope, be anchored in this hope, the hope that comes from heaven. "Be anchored and bring forth the hope. You witnesses of Christ bring forth hope to this world that is aged by wars and sin. Go forward young people".