Queen Letizia and King Felipe of Spain attended a mass service for victims of flooding which devastated the East of the country in October.It follows furious protestors throwing mud and screaming “killer” at the royals when they visited the region days after the disaster.The backlash was due to locals accusing the government of a slow reaction and late warning to the floods that killed 224 Spaniards.The royal visit was the third time monarchs have visited the affected regions since the floods, which were the worst in decades.Queen Letizia and King Felipe of Spain attended a mass service for victims of flooding which devastated the East of the country in OctoberGettyFour people are still missing, according to Spanish authorities.Letizia, 52, and Felipe, 56, who both dressed in full black, looked solemn as they greeted the Archbishop of Valencia at the event.Tonight marked another show of respect from the King and Queen as they stood alongside relatives of victims, who were in tears, for the funeral.Protesters held up signs outside the Cathedral of Valencia as the royals arrived at the memorial.Letizia, 52, and Felipe, 56, both dressed in full black, looked solemn as they greeted the Archbishop of Valencia at the eventGettyFloods hit the eastern region of Spain on October 29, with thousands of cars piling up in the mud-covered streets.Telephone alerts reached residents when water was already flowing through homes and businesses, demolishing the buildings.Several municipalities went days without state help and relied on volunteers for food, water and cleaning equipment.Thousands of protesters took to the streets on December 1 to call out the government’s handling of the disaster.The King and Queen stood alongside relatives of victimsGettyMany have been demanding that Valencia’s President, Carlos Mazon, step down.A number of Spaniards were also furious that the government didn’t alert citizens until it was too late.Queen Letizia has continued with royal engagements, attending the 35th anniversary of the Spanish newspaper El Mundo in Madrid last week.Spanish Prime Minister Pedro Sánchez also had to be evacuated from the town of Paiporta following local protests.