Deep brain stimulation uses electricity to shock the brain in areas that help send messages to the body.

VOA: special.2009.02.03

"We are in a shock and deep grief over this barbaric act, " AFP quoted the Pakistani high commission spokesman Manzoor Ali Memon as saying.

BBC: Pakistan inmate Sanaullah Ranjay dies in India hospital

It could cause a deep shock to the financial markets, if not the global economy.

FORBES: The Week Ahead: Gaza, Greece or the Fiscal Cliff?

"We are all in deep shock and would first like to address his family and send our condolences, " said Benfica spokesman Antonio Cunha Vaz.

BBC: SPORT | Football | Other European | Benfica striker dies