JERUSALEM — Jerusalem on Thursday held its annual gay pride parade under heavy security and with a subdued vibe, given the solemn mood in Israel after months of war.

LGBTQ supporters marched the streets of Jerusalem carrying rainbow flags, Israeli flags and yellow ribbons, a symbol for hostages still held in Gaza. Absent were the vibrant cheers and music that usually accompany the event.

Organizers estimated that 10,000 people marched. Police said some 2,000 officers were on guard.

The…