The 21-year-old has been missing for nearly three weeks.
Paweł Rełowicz, 24, charged with voyeurism, outraging public decency and three counts of burglary.
The service marks 10 days since Libby disappeared.
Police could be seen using sticks and cameras to search the area on Saturday morning.
The clip is said by ITV News to be “a central part” of the investigation into the student’s disappearance.
It's one week since the 21-year-old went missing.
The 21-year-old has still not been found.
Everything we know about the disappearance of the 21-year-old.
"I miss you so much, it’s breaking my heart."
Concerns are growing for the 21-year-old who disappeared on Thursday night.