Amir b. Sa'd b. Abu Waqqas reported on the authority of his father (Allah be pleased with him) that Allah's Messenger ( صلی اللہ علیہ وسلم ) said, and then the (above-mentioned) hadith was narrated with this addition:
None should nurse ill-will towards the people of Medina, or Allah will melt him in fire like the melting of lead or the dissolution of salt in water.