Bukayo Saka got into a heated half-time row with Dani Carvajal during Arsenal's Champions League quarter-final victory over Real Madrid. <br /><br />Saka saw an attempted Panenka penalty saved by Thibaut Courtois during the first half and was confronted by Madrid defender Carvajal as he walked off the pitch.<br /><br />Carvajal, not named in Madrid's matchday squad, followed Saka toward the tunnel before grabbing him on the back of the neck and pointing in his face.<br /><br />The winger then swatted him away, and as tensions threatened to boil over into a fracas, members of Arsenal's backroom staff intervened to lead Saka away. <br /><br />Several Spanish police officers, who had been walking past the front of the tunnel, were also quick on the scene, with the incident quickly de-escalating.<br /><br />Arsenal defender Ben White, clad in his substitutes' bib, also steered Carvajal away.<br /><br />Neither player was booked for their role in the flashpoint, and Saka even appeared to react genially to Carvajal's initial approach before pulling his hand away.<br /><br />The subject of the terse confrontation is not known, but social media users theorised Carvajal had used Saka's penalty miss to attempt to get into his head. <br /><br />The 33-year-old missed the return leg after suffering a cruciate ligament injury against Villarreal in October, bringing an early end to his season.<br /><br />Madrid, looking to overturn a three-goal deficit, were aggressive from the off but conceded an early spot-kick after Raul Asensio dragged Mikel Merino to the ground.<br /><br />Saka stepped up, but his weak chip was palmed away by a diving Courtois. <br /><br />However, the 23-year-old enjoyed the last laugh after clipping over the goalkeeper at the end of a flowing move to give Arsenal the lead - and a 4-0 aggregate advantage - in the second half.<br /><br />Madrid threatened the unlikeliest of comebacks two minutes later when Saliba surrendered possession cheaply to Vinicius Junior, who swept beyond David Raya.<br /><br />Arsenal secured a deserved victory on the night when Gabriel Martinelli was released in stoppage time and beat Courtois, confirming they will face PSG in the semi-finals.