Sa'd b. Abu Waqqas reported Allah's Messenger (ﷺ) as saying:He who intends to do harm to the people of Medina, Allah would efface him just as water dissolves salt

Sa'd b. Malik heard Allah's Messenger (ﷺ) saying like this except (this variation) that he said:" Sudden attack or harm

Abu Huraira and Sa'd reported Allah's Messenger (way peace be upon him) as saying:O Allah, bless the people of Medina in their mudd, the rest of the hadith being the same, and in It (this is also mentioned):" He wo intends to do harm to its people, Allah would efface him just as salt it dissolved in water