plant with red berries and meadow grass or rush

plant with red berries and meadow grass or rush

Observation - plant with red berries and meadow grass or rush - UK and Ireland. Description: one picture shows a bush with red berries that grows on the edge of the meadow under trees. the other picture shows a coarse grass or flowering rush that grows extensively on Ballard Water Meadow - what is its name?

one picture shows a bush with red berries that grows on the edge of the meadow under trees.
the other picture shows a coarse grass or flowering rush that grows extensively on Ballard Water Meadow - what is its name?