Mikel Arteta hailed Arsenal's first half of the Premier League season as "extraordinary" following their last-gasp victory over Manchester United which kept them five points clear at the summit.The Gunners ran out 3-2 winners following Eddie Nketiah's late effort but, despite their lead at the top of the table, Arteta insists closest challengers Manchester City remain the standard bearers.

Mikel Arteta hailed Arsenal's first half of the Premier League season as "extraordinary" following their last-gasp victory over Manchester United which kept them five points clear at the summit.The Gunners ran out 3-2 winners following Eddie Nketiah's late effort but, despite their lead at the top of the table, Arteta insists closest challengers Manchester City remain the standard bearers.