Complex sentence: At least 40 people gathered in Montcada i Reixac, Barcelona and prevented court officials from serving a family with the order to leave their home immediately, and protesting against banks repossessing people's homes.
Split into simpler sentences: At least 40 people gathered in Montcada i Reixac, Barcelona. They prevented court officials from serving a family with the order to leave their home immediately and protested against banks repossessing people's homes.