Away from home, against a side currently fighting for top spot in PL2, Leicester City's Under-21s came from behind twice, only taking the lead two minutes from time at the Rush Green Stadium to claim all three points.
Evans was the first Leicester player to score before Jeremy Monga netted just before the hour mark; the young winger then set up King for an 88th-minute winner in Romford.
Kicking on from our win over Tottenham Hotspur last time out, it was the hosts who took the lead through Joshua Ajala, before Evans levelled things up just before the break. Kaelan Casey put the Hammers back in front just after the hour mark and then Monga got himself on the scoresheet, before providing a late chance for substitute King, who fired Leicester to victory with his fourth of the season for the Under-21s.
The young Foxes made it six wins out of seven.
Making it six wins out of the last seven, the in-form Development Squad continue their surge up the league to achieve our inclusion in the final stages of the season.
Up next, the Under-21s return home to LCFC Training Ground on Monday 7 April to face West Bromwich Albion in PL2 action for a 7pm GMT kick-off.
The details
City: Bausor, Joseph, Godsmark-Ford (Wormleighton 63'), Ali, Aluko; Braybrooke, Cartwright; Monga, Page, Evans (Briggs 75'); Richards (King 69').
Unused subs: French, Pennant.
Goals: Evans 45', Monga 68', King 88'.
Images courtesy of West Ham United.