Jakob Ingebrigtsen fires back after Josh Kerr reignites bitter rivalry - Josh Kerr and Jakob Ingebrigtsen set for Diamond League clash with Olympic champion Cole Hocker - 'I'll believe it when I see it': Josh Kerr on Olympic feud with Jakob Ingebrightsen - Scotland's Josh Kerr has to settle for silver as Cole Hocker grabs shock USA gold - Josh Kerr remains on Olympics mission and oblivious to Jakob Ingebrigtsen's taunts - Josh Kerr breaks silence on Jakob Ingebrigtsen exchange before Olympic 1500m race - Team GB's Josh Kerr heartbreakingly misses out on Olympic gold in 'vicious' 1500m final - Josh Kerr targets an upgrade on his 1500 metres medal to a gold in Los Angeles - 'Head was sore this morning:' Scottish runner Josh Kerr celebrates Olympic medal - Final will 'go down in generations' - GB silver medallist Josh Kerr