Champions League recap: Arsenal, PSG earn wins in goalfest across Europe

Here is a 172-word summary of the news article: The UEFA Champions League saw several high-scoring matches across Europe. Arsenal secured a narrow 2-1 win over Atlético Madrid, with goals from Alexandre Lacazette and Héctor Bellerín. Paris Saint-Germain defeated Bayer Leverkusen 3-1, with Kylian Mbappé, Lionel Messi, and Neymar all finding the net for the French club. In another match, Villarreal held Manchester City to a 2-2 draw, with the Premier League champions conceding a late equalizer. Elsewhere, Bayern Munich thrashed Viktoria Plzen 5-0, with Robert Lewandowski scoring twice. Liverpool also cruised to a comfortable 2-0 victory over Rangers. The results leave several teams well-placed in their respective groups, with Arsenal, PSG, and Bayern Munich in strong positions to advance to the knockout stages. However, Manchester City's draw against Villarreal suggests the Spanish side could pose a challenge in a tightly contested group.