The group helped clear and replant a bank of wildflowers, repainted a mud kitchen, redesigned a water play wall and spruced up the lawn.
In July, Chancellor Rachel Reeves cancelled the £1.7 billion Stonehenge tunnel scheme and the A27 Arundel bypass project in West Sussex, but did not mention the Lower Thames Crossing.
Christopher Cash, 29, from Whitechapel, east London, and Christopher Berry, 32, of Witney in Oxfordshire, appeared at the Old Bailey on Friday ...
The Metropolitan Police officer, referred to as DS87, said he believed he would have died or been injured had action not been taken.
LFB Commissioner Andy Roe said the bereaved, survivors, community and staff are owed a commitment from the service to keep learning.