In areas surrounding #Mosul and inside the city itself, retreating ISIS militants left behind thousands of homemade explosives, mines and booby traps. They are buried alongside roads, hidden in farm fields, scattered around schools and inside homes. Some have a military purpose and were intended to keep advancing Iraqi and Kurdish forces at bay. Others, simply made to kill.
Loneliness is as big a killer as obesity and as dangerous to health as smoking 15 cigarettes a day. It's a problem that affects all of us ... and Britain is now trying to tackle it with a novel approach. Our for NBC Nightly News with Lester Holt: