What is this?

What is this?

Observation - What is this? - UK and Ireland. Description: Flew off too fast but was a light blue in colour had four wings with long body and i think it came off Hawthorn as i passed then flew to another but could not see it on the bush. The wings seemed like a dragonflies

Flew off too fast but was a light blue in colour had four wings with long body and i think it came off Hawthorn as i passed then flew to another but could not see it on the bush. The wings seemed like a dragonflies