Fears of a widening war in the Middle East are back on boil after Tuesday's killing of a top Hamas leader in Beirut, Lebanon. Israel has not acknowledged any role in the drone attack, but it spent Wednesday awaiting possible retaliation by Hezbollah, the powerful, Lebanese militia backed by Iran. Amna Nawaz discussed what this means for the region with Randa Slim of the Middle East Institute. Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG Find more from PBS NewsHour at https://www.pbs.org/newshour Subscribe to our YouTube channel: https://bit.ly/2HfsCD6 Follow us: TikTok: https://www.tiktok.com/@pbsnews Twitter: http://www.twitter.com/newshour Instagram: http://www.instagram.com/newshour Facebook: http://www.pbs.org/newshour Subscribe: PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts Newsletters: https://www.pbs.org/newshour/subscribe