James Nash was described as a "kind-hearted individual and a proactive parish councillor".
The advice follows a "significant" spike among under-30s as tighter restrictions come into force.
About 40 people had gathered outside the building in north London following the arrest of a boy, 14.
The Coastguard and Border Force are dealing with "a number of incidents" from Saturday morning.
The man's body was recovered from the water and he died at the scene.
The BBC followed Tashan Daniel's best friend Leon Haque as he attended the gruelling murder trial.
The new rules apply to cinemas, museums and places of worship as more quarantine restrictions start.
On Friday night officers broke up "28 separate large gatherings", Supt Jack Hadley says.
The Birmingham Education Trust funds and runs a school in Saltley, teaching Islam to Muslim girls.
People are being warned to keep inside with windows and doors closed due to the thick smoke.
People could be without water to drink if usage is not curbed this weekend, a water firm warns.
It comes after a record number of unaccompanied children crossed the Channel to the UK on Friday.
