Having built a 4-1 lead in the first leg in north London last week it seemed Arsenal had plenty of room for error in the CSKA Arena but they were wobbling when Fedor Chalov and Kirill Nababkin scored to give the hosts hope of a memorable fightback.
Aaron Ramsey suffered a nasty cut to his calf.
- Arsenal have reached their first major European semi-final since 2008-09, when they did so in the Champions League.
And against a backdrop of insane European comebacks this week, there were nerves amongst the Arsenal fans and players.
Elneny became the first Egyptian player to record two assists in a European game since Mohamed Salah did the same for Basel in November 2012.
Gasoline prices likely to rise by summer
Through February, southbound border crossings into Whatcom County are up 10.8 percent compared to the same period a year ago. You're eyes are not deceiving you, gas prices are in fact getting higher and are not expected to get better anytime soon.
"If you look at the game, we were in trouble in the first half".
The draw will be conducted by former Barcelona and Lyon defender Eric Abidal, who is UEFA's ambassador for the Europa League final to be played May 16 at the Stade de Lyon. We are at a stage where we focus on it because in the Premier League we have a very, very, very slim chance to move further up so the Europa League is one of the big targets now.
Wenger told reporters after the game, "I feel that maybe we were a bit surprised by the intensity at the start. Once we scored the 2-1, it was a big blow for them, and they didn't recover from that".
"No, it was not the plan [to sit back]", he said.
'If they are losing or winning they still play to make supporters and fans happy. After, we had some pressure on us because, if they'd scored the third, we're out.
Notable Runner: Bed Bath & Beyond (BBBY)
The stock has a market cap of $3.16B and the number of outstanding shares has been calculated 146.92M. ( NASDAQ : BBBY ) rating. And things may get worse for the company, according to a note from Credit Suisse analyst Seth Sigman. ( NASDAQ : BBBY ).
It is Diego Simeone's Atletico, though, who Wenger would prefer to avoid in his side's first last-four tie in Europe since 2009.
"Let's just play well against the team we get", he added.
BT Sport is the exclusive live United Kingdom home of the Europa League - find out how we can get you set up in just 15 minutes here.
The Europa League draw live stream and TV coverage will be available exclusively with BT Sport.
Hamas calls for more protests
The White House called on Palestinians to engage in exclusively peaceful protests and stay at least 500 yards from the border. Murtaja had been hired to begin work for the Norwegian Refugee Council, a major global aid organization.