A spokeswoman for Catalan police, the Mossos d'Esquadra, confirmed they were investigating a violent robbery in Castelldefels but refused to identify the victim, citing privacy rules.
Pierre Aubame, 53, captained Gabon at their first Nations Cup finals appearance in 1994 and was one of the country's first exports to club football in France, where his son was born.
Pierre-Emerick Aubameyang opened the scoring with a penalty after Bruno Martins Indi was adjudged to have fouled Mesut Ozil.
Aubameyang and Mkhitaryan formed a lethal partnership in three years together at Borussia Dortmund before the Armenian left for Manchester United.
The Egypt sharpshooter Mohamed Salah twice gave Liverpool the lead in a dramatic 2-2 draw with Tottenham Hotspur.
It was an emphatic response from Arsenal to losing at Swansea 3-1 on Tuesday a day before Aubameyang joined from Borussia Dortmund for $80 million.
Having sealed his move to Arsenal, striker Pierre-Emerick Aubameyang has apologized to Borussia Dortmund fans for the breakdown in his relations with the German club.
The Bundesliga club also made what it called a "big concession" on the transfer fee to allow defender Marc Bartra to go to Real Betis.
Wenger persuaded the Arsenal board to pay more for the 28-year-old than the £46.5 million they shelled out for Frenchman ALexandre Lacazette last August.
Salah and Aubameyang were named on Monday among the three finalists for the African Player of the Year award.
The 28-year-old finished as the leading scorer in the Bundesliga last season with 31 goals, one ahead of Bayern Munich's Robert Lewandowski.
Harry Kane hails massive victory against Borussia Dortmund as Tottenham Hotspur win Group H in Champions League
Tottenham Hotspur striker Harry Kane hailed his side's massive achievement of winning their Champions League group.
Borussia Dortmund host Tottenham Hotspur on Tuesday needing a win to keep alive their slim Champions League hopes.
The 28-year-old Gabon-rooted striker missed the start of the Yellow and Blacks latest training session by 20 minutes, reports Xinhua news agency.
Borussia Dortmund dropped striker Aubameyang from their squad to play Stuttgart on Friday for disciplinary reasons.
'Mini Zlatan' Alexander Isak steps out of Borussia Dortmund striker Pierre-Emerick Aubameyang's shadow
Alexander Isak set up the first goal, then netted his own with ice-cool finishing in a 5-0 romp at third-division Madgeburg.
Aubameyang continued outstanding early-season form for German outfit Borussia Dortmund with a hat-trick at the weekend.
Aubameyang grabbed a hat-trick as Borussia Dortmund romped to a 6-1 home thrashing of Borussia Moenchengladbach.
Aubameyang scored with a superb volley, then converted a second-half penalty in Dortmund's 4-3 home win over Werder Bremen.
Aubameyang finished with 31 goals, one more than Lewandowski, who failed to score in the champions' 4-1 home win over Freiburg.