A total of 878 Syrian refugees, mostly women, children and elderly people, entered Jordan through various border points during the past 24 hours.The Directorate of Moral Guidance said in a statement on Tuesday that border guards stationed along the 376-kilometre border between Jordan and Syria, are working hard to protect the borders, reported the Jordanian news agency Petra.The number of Syrian refugees who crossed into the Kingdom since the beginning of the Syrian crisis in March 2011 has exceeded 600,000 including thousands of injured and sick, according to the statement.