Donors pledge 253 mln euros in emergency aid for Lebanon after blast

-- Macron says emergency aid must come quickly -- August 4 port blast killed 158 people, more than 6,000 hurt -- Explosion puts pressure on heavily indebted economy -- Many Lebanese blame a corrupt political elite An emergency donor conference on Sunday for blast-stricken Lebanon raised pledges worth nearly 253 million euros ($298 million) for immediate humanitarian relief,