*16 July 2013, McCarran International in Las vegas*
*Nikon D200 w/ 55-300mm VR lens*

So this Westjet B738 reported some sort of emergency and landed on runway 25R. As it slowed down and began taxiing to terminal 3, the airport's emergency response forces tailed the aircraft until it reached its gate.

Once I find out what the emergency was, I'll share that information with you.