What to focus on after row deletion

I'm designing the keyboard navigation for a table/grid. Each row in the grid has a "delete this row" button. After a button is activated and the current focused parent row of the button is deleted, what should be the element of focus?

  • The next row first focusable?
  • The next row current focusable (next delete button)?
  • The first element of the row (first header)?
  • Any other more valid idea?

Notes:

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