Protective dykes blown up to save Punjab cities as raging waters head southwards

• Chenab, Ravi, Sutlej overflow simultaneously for the first time • Over 429,000 residents evacuated, 20 lives lost across three rivers • Ninth spell of monsoon rains begins • 855,000 cusecs expected at Head Trimmu within 24 hours • Bunds breached to... [6929 chars]