The squadrons, going in opposite directions, met by chance in the dead of night of 5–6 March 1938. A Republican destroyer fired
torpedoes but missed, and both fleets passed each other by. Nationalist
Rear Admiral de Vierna preferred to wait until dawn, which would enable him to use his ships' superior artillery, but Republican Vice Admiral de Ubieta decided to turn and pursue the enemy. The forces met again unexpectedly at about 02:15. the Nationalist cruisers opened fire on
Libertad from a range of about and the Republican cruisers returned fire. However, one of the Nationalist ships made the mistake of firing a star shell illuminating their position to the enemy Republican ships. but also to the destroyer
Almirante Antequera by some authors. Prioritizing the protection of the troops of the
North African Army crossing the
Gibraltar Strait over his own safety, Admiral de Vierna ordered his own ship, the
Baleares to engage the Republican fleet while he ordered the rest of the ships away. with Admiral Vierna among those who went down with the ship. The Nationalist cruisers returned at dawn and survivors rescued by
Boreas were transferred to them by boats. An air attack by Republican bombers interrupted the proceedings and caused one British fatality. ==Aftermath==