<http://schema.org/mainEntityOfPage>
<http://www.upi.com/Top_News/World-News/2014/02/16/Explosion-on-tourist-bus-in-Egypt-kills-four/18531392563331/>
<http://www.upi.com/Top_News/World-News/2014/02/16/Tour-bus-hit-by-mystery-missile-in-Egypts-Sinai/UPI-18531392563331/?spt=rln&or=5>