Bukhari :: Book 2 :: Volume 23 :: Hadith 410
Narrated Abu Huraira:
that Allah's Apostle (p.b.u.h) said, "Whoever attends the funeral procession till he offers the funeral prayer for it, will get a reward equal to one Qirat, and whoever accompanies it till burial, will get a reward equal to two Qirats." It was asked, "What are two Qirats?" He replied, "Like two huge mountains."
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