Watch highlights from Southampton's 2-1 defeat to Arsenal in the Premier League.
Claude Puel is still searching for his first win as Southampton manager following a last-gasp defeat to Arsenal.
Petr Cech's own-goal gave Saints an 18th-minute lead, as Dušan Tadić's free-kick hit the goalkeeper's back and bounced over the line.
But Arsenal hit back through Laurent Koscielny with 30 minutes of the game gone.
Shane Long had chances in the second half to put Saints back ahead, but the visitors were made to pay late on for a failure to convert.
José Fonte was adjudged to have fouled Olivier Giroud in the penalty area, with Santi Cazorla stepping up to net from the spot in the 94th minute.