Also, it occurred to me that the reason for more attention been focused on the possibility of Turkey closing the Turkish straits to Russian warships than to Spain closing the strait of Gibraltar to Russian warships probably has to do with the different legal status that the two straits have (see https://en.wikipedia.org/wiki/Transit_passage)
They have apparently reversed themselves on this.
Also, it occurred to me that the reason for more attention been focused on the possibility of Turkey closing the Turkish straits to Russian warships than to Spain closing the strait of Gibraltar to Russian warships probably has to do with the different legal status that the two straits have (see https://en.wikipedia.org/wiki/Transit_passage)