As China’s Shanghai Composite index slides by 8.5% in a day, its biggest one-day percentage loss since 2007, Damian McBride offers his prophecy of doom:

Advice on the looming crash, No.1: get hard cash in a safe place now; don't assume banks & cashpoints will be open, or bank cards will work.

— Damian McBride (@DPMcBride) August 24, 2015

Crash advice No.2: do you have enough bottled water, tinned goods & other essentials at home to live a month indoors? If not, get shopping.

— Damian McBride (@DPMcBride) August 24, 2015

Crash advice No.3: agree a rally point with your loved ones in case transport and communication gets cut off; somewhere you can all head to.

— Damian McBride (@DPMcBride) August 24, 2015

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