Mónica Oltra and Gabriel Rufián have made a call for unity among the left. They emphasize that this does not require anyone to change who they are, but rather to put aside minor differences. The call for unity is a significant development, and further details can be found in the original source.

An image accompanying the information shows Mónica Oltra and Gabriel Rufián together. For more information on their statement and the context surrounding it, readers can refer to the original article in El País. The image provided gives a visual representation of the two figures, but the full story and any additional context are available directly from the source.