England toppled Ireland 48-15 in the final round but it was France, who went on to clinch the U20 Six Nations Championship title following a 3-24 victory over Wales in Colwyn Bay.
World Rugby has replaced assistant referee Marius van der Westhuizen in the final round of the Six Nations Championship clash between England and Ireland at Twickenham after his visit to the red rose team's training camp last week.
England skipper Dylan Hartley has recovered from a calf injury to return in time for the final round of the Six Nations Championship clash against Ireland to be played at Twickenham on Saturday.
Scotland head coach Gregor Townsend has made five changes for the Six Nations Championship final round clash against Italy to be played at Stadio Olimpico on Saturday.
Exeter Chiefs back-row Sam Simmonds insisted that England will be motivated to spoil Ireland's Grand Slam hopes as the two teams meet at Twickenham Stadium for the final round of the Six Nations Championship.
Ireland international Conor Murray said the team is enjoying the talk of a possible Grand Slam as they head to Twickenham to face England for the final round of the Six Nations Championship.
Ireland's hope of clinching the Grand Slam has taken a major boost with prop Cian Healy declared fit for the final round of the Six Nations Championship encounter against England at Twickenham.
England's ongoing Six Nations Championship campaign has taken a further blow with Nathan Hughes and Courtney Lawes ruled out of the final round against Ireland due to knee injuries.
As the fourth round of Six Nations Championship 2018 came to a conclusion with Ireland claiming the title, we take a look at few of the key points from last weekend's encounters.
England have brought an end to France's unbeaten run to keep up their hopes of winning the U20 Six Nations Championship while Italy and Ireland won their respective Round 4 encounters against Wales and Scotland respectively.
George North scored a brace against Italy as the powerhouse Wales wing helped his side to a 38-14 victory to go 2nd in the Six Nations Championship table.
The Six Nations trophy is firmly secure in the Irish hands after they dispatched Scotland to secure 28-8 bonus-point at Lansdowne Road on Saturday and followed by England's 22-16 defeat against France at Stade de France.