Boston Marathon

In a statement, Adidas said they were "incredibly sorry" for the "insensitive email subject line" and "deeply apologise for our mistake".

The firefighter who carried Victoria McGrath to safety amid 2013's blasts led tributes after a crash that claimed her and a friend's lives.

His apology marks the first time the 21-year-old ethnic Chechen, who did not speak in his own defense at trial, has addressed the court.