Businesses are protected in Spain from possible riots; Bloc leader arrested, without bail Commercial areas of Madrid, Barcelona, Valencia, Bilbao, San Sebastian and Palma are strengthening their security measures this Saturday, October 31, in the face of new calls on social networks that could lead to riots and looting. The tension is increasing after the temporary arrest warrant without bail for a young man who is considered by the investigation to be the "founder and promoter" of Blokus España, the movement that calls with anonymous profiles for rebellions. The United States advised its citizens in the country to avoid places with possible incidents during Halloween and the long weekend of All Saints. read more