The home secretary says Rwanda is committed to the safety of anyone sent there as part of the government's migration deal.
Schools in Aberfan were put under lockdown down following the "serious incident".
Walkouts are planned on three days in the run-up to Christmas and six days in the new year.
Lawrence Bierton denies murdering Pauline Quinn in 2021 on the grounds of diminished responsibility.
A total of 36 flood warnings are in force across England after snow gave way to heavy rain.