A would-be suicide bomber fell down a flight of stairs and blew himself up as he headed out for an attack in Afghanistan, police say.
It was the second such incident in two days, with another man killing himself and three others on Tuesday when his bomb-filled waistcoat exploded as he was putting it on in the southern town of Lashkar Gah.
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The would-be attacker tripped as he was leaving a building apparently to target an opening ceremony for a mosque that was expected to be attended by Afghan and international military officials, said Sakhi Mir.
"Coming down the stairs, he fell down and exploded. Two civilian women and a man were wounded,'' Mir said.