1 Kings 21:11-13 NIV

11 So the elders and nobles who lived in Naboth's city did as Jezebel directed in the letters she had written to them.
12 They proclaimed a fast1 and seated Naboth in a prominent place among the people.

References for 1 Kings 21:12

13 Then two scoundrels came and sat opposite him and brought charges against Naboth before the people, saying, "Naboth has cursed both God and the king." So they took him outside the city and stoned him to death.2

References for 1 Kings 21:13