Transit
If you must travel through central Madrid on 16 May, expect bus route diversions and delays; plan alternate routes and build extra transit time into your schedule.
A planned central-city demonstration on 16 May will affect around 25 EMT lines and cause road restrictions in major central arteries.
Airport Security
Expect enhanced inspections and police presence at Barajas in the short term; arrive earlier than usual for check-in and do not accept packages or luggage from unknown persons.
Authorities intercepted ~79.8 kg of cocaine in air cargo destined for Madrid, indicating recent intensified customs and law-enforcement activity at the airport.
Fire Safety
When staying in private accommodation, avoid charging high-capacity batteries or power packs unattended; store charging devices on non-flammable surfaces and keep exits clear.
A recent residential fire in Ciudad Lineal was attributed to a battery and left three people affected by smoke, highlighting household battery fire risk.