She had little reason to be suspicious -- the quiet Spanish beach village where she has lived for almost 20 years is filled with holiday houses. People come and go all the time.
But on Wednesday night a deafening bang rocked Gil, 50, from her sleep. She ran outside to see smoke billowing from what remained of the property down the road.
The powerful explosion had leveled the one-story house in the Montecarlo neighborhood of Alcanar, leaving one person dead and another seriously injured.
It wasn't until the following afternoon, when a van mowed down crowds of people in the heart of Barcelona, that authorities began to piece together the significance of the blast.