Rantzen, who fronted the BBC's That's Life for two decades, went on to found Childline, and in recent years had been a campaigner for assisted dying.
Her lawyer says Pike is being "provided life-saving measures" after two syringes of pentobarbital.
An aeroplane flying to Israel fell 17,000ft (5,200m) in less than two minutes before it was diverted.
A pilot who stabbed another pilot on an Israel-bound plane is under investigation in Saudi Arabia, Benjamin Netanyahu sa...
The hikes are part of immigration policy changes introduced to manage Japan's growing foreign population.
A pilot has been arrested and is being questioned after another pilot was stabbed, officials say.
Police said the driver "may have been experiencing a medical emergency" before hitting four people in British Columbia.
