Two Ebola patients, given the experimental drug ZMapp, have been allowed to leave a treatment centre in the Liberian capital after testing negative for the disease. <br /><br />The pair – both medics – were greeted by country’s president in Monrovia. <br /><br />“Really, really good news. First of all I just want to say to both of you, how happy we are that you have survived this,” said Ellen Johnson Sirleaf.<br /><br />Meanwhile, residents have been celebrating the lifting of a blockade in a neighbourhood of the capital. <br /><br />Streets in the West Point district had been closed for 10 days after an Ebola health centre was stormed. <br /><br />Residents had feared that they would run out of food and safe water due to the outbreak. <br /><br />In Sierra Leone, youth groups have taken to the streets of Freetown to raise awareness of Ebola, as the virus continues to spread. <br /><br />More than three thousand cases have now been reported across West Africa.<br /><br />Liberia has been the hardest hit, reporting at least 694 deaths. <br /><br />Senegal has joined the list of affected countries, announcing its first case on Friday.