A video of two black men being handcuffed and led out of a Philadelphia Starbucks for “trespassing” last week drew fierce backlash on social media and ultimately led to an apology from CEO Kevin Johnson on Saturday.

After #BoycottStarbucks began trending on Twitter TWTR, +7.09% over the weekend, Johnson released a statement calling the situation a “reprehensible outcome” and said he hoped to meet the men to offer a “face-to-face apology.” He also vowed to “make any necessary changes” to prevent such instances from happening again.