A state-run Renfe service rammed into a stationary Iryo train south of Madrid, derailing carriages and shutting down high-speed rail to Andalusia.
The 63-year-old entrepreneur died when his Porsche plunged into a ravine, prompting organisers to call off the event.
The 87-year-old died in a Madrid hospital two weeks after being carried out of her home of seven decades on a stretcher.
The prime minister cut his term short after parliament blocked tenant protections, sparking massive protests in Madrid.
Emergency services urge residents to stay indoors as swollen rivers burst their banks and disrupt transport in Barcelona and surrounding areas.
Tens of thousands are set to march in 50 cities after MPs blocked laws drawn up in the wake of an 87-year-old woman's eviction.
The rejection of the social package protecting vulnerable tenants until 2030 has triggered immediate demands for early elections.
Fifteen young birds have arrived in Catalonia from Austria to help rebuild wild populations of a species once extinct in Europe.
Pro-independence crowds grew significantly from last year, but rival nationalist protests prompted a major police response.
