The strongest reason for banning Sortu is that it is a rebranded Batasuna.

对于强烈要求禁止索图的原因就是它还是巴塔苏纳党，不过是换了个名字。

youdao

If Batasuna breaks with the past and condemns any such killing, and goes on to denounce other attacks, it will show that ETA has lost control of its own people.

如果Batasuna与自己的过去决裂，谴责任何此种刺杀，并且继续揭发其他的攻击，那将表明埃塔已经失去了对其人民的控制。

youdao

Herri Batasuna hold seats in the Basque and Navarre regional parliaments and the national congress.

CNN: Spanish king speaks out to condemn terrorism

Batasuna got 140, 000 votes, 10 percent of the total vote, in Basque regional elections in 2001.

CNN: Basque independence party banned

Judge Garzon has frozen Batasuna's bank accounts and forbidden its leaders to organise demonstrations.

ECONOMIST: A ban on Batasuna will not be the end of the terror story