Article: On October 24, the union Supreme Soviet passed a law eliminating special seats for Communist Party and other official organizations' representatives. On October 26, twenty factories in Lviv held strikes and meetings to protest the police brutality of October 1 and the authorities' unwillingness to prosecute those responsible. From October 2628, the Zelenyi Svit (Friends of the Earth Ukraine) environmental association held its founding congress, and on October 27 the Ukrainian Supreme Soviet passed a law eliminating the special status of party and other official organizations.

Now answer this question: Where were the strikes?
Lviv