About 15:00. They went waxing over head Aldwych station, towards the South bank, then straight back again about ten minutes later, direct line, no obvious attempt to follow the river at all.
Any helicopter with more than 1 engine can route over the city (subject to clearances obv).
Yep aware of that, just unusual. I guess that's what happens when you let colonials fly aircraft.... "Follow the big wide wet bit.......ah bks, go where you want"
ks, go where you want"