World Rugby have issued a new law which becomes active with immediate affect!
Law 9.19
In open play, any player may lift or support a player from the same team. Players who support or lift a teammate must lower the player to the ground safely as soon as the ball is won by a player of either team.
Sanction: Free-kick
Please note that existing laws 9.19 to 9.25 will be renumbered as 9.20 to 9.26