Playing at home for a fifth successive outing, Arsene Wenger's side eventually prevailed in a see-saw contest to record their 150th league victory at the Emirates Stadium.
Welbeck, whose Arsenal career has been dogged by injury problems, shrugged off missing a glorious chance seconds before he headed home the victor nine minutes from time.
But Welbeck got the victor with a powerful downward header ten minutes before the end to bag the win for Arsenal, in a game which saw late dismissals for Jack Stephens and Mohamed Elneny.
Arsenal looked ragged and this time Tadic's attacking intent paid off, Long darting beyond Hector Bellerin before beating a dithering Shkodran Mustafi at the front post as Petr Cech was left to berate his team-mate.
Yet the opening goal only served to kick-start Wenger's side out of their slumbering state.
And Arsenal took the lead in the 38th minute as Alex Iwobi passed the ball to Danny Welbeck and he fired in a shot from the edge of the box which is deflected, Alex McCarthy could not do anything about it as the scoreline reflected 2 - 1. "Clearly we were quite prepared to allow Arsenal a lot of possession in front of us, but our intention was to counter quickly and put Shane Long in areas high up the field where we could get support to him".
Southampton chased an equaliser, Long and Pierre-Emile Højbjerg testing Cech, Wesley Hoedt forcing Elneny to clear his header off the line.
A 51-year-old woman from Lueneburg in northern Germany and a 65-year-old man from Borken municipality near Muenster were killed. A man who drove a van into a crowd of people in the German city of Muenster on Saturday acted alone, according to police.
People of Hirangar Constituency are struggling from two months for the demand to hand over Rasana case to CBI, he said. Shah answered and said that the people of the country are questioning on Congress' rule of four generations.
This sent Underwood fans into a frenzy, many wondering how the country singer's face looked following the accident. The loss kept the Predators from clinching the Central Division and the Western Conference's top seed.
They will have lost a lot of confidence from that Liverpool loss - no shot on target in 90 minutes, the way they've been playing. Sadly, Pogba has yet to fulfil it at Old Trafford with his form so disappointing that Jose Mourinho has dropped him this year.
Utilityman Hernan Perez came into the game to relieve the injured Knebel, getting La Stella to line out to left field. The eagle then made a second, more successful attempt, as Paxton ducked his head but remained surprisingly calm.
Amid the growing controversy, President Donald Trump came out in support of Sinclair on Twitter Monday. The new promo campaign took it to another level, causing even more consternation in local newsrooms.
Federal investigators concluded Alsbury prematurely unlocked the craft's tail feathering system on the doomed test flight. While the company celebrates that achievement, the team remains focused on the challenging tasks which still lie ahead.
14 killed in bus crash in western Canada
Rod Brind'Amour, Curtis Joseph, Ron Hextall and Chris Chelios are among the former NHL stars who played in the league. Across the pond, the UK's Elite Ice Hockey League observed a moment of silence at its first playoff game of the day.
Nokia 6 2018 launched in India
It bears a 12-megapixel wide-angle sensor on its primary rear camera , complete with an f/1.75 aperture and 1.4-micron pixels. Samsung led overall market with 24.7 per cent share in smartphone category and 20.5 per cent share in feature phone for 2017.
Firefighter Matt Parziale goes cold in his first Masters
Woods might be right about one thing. "'It's the first time in my career I make 13 without missing a shot", said a rueful Garcia. That percentage of the 60 million of us worldwide who call ourselves golfers is so small as to require a microscope to find it.
Lawyer of ex-President Park hints at appeal
Park's sentencing has drawn a line under what has been one of the biggest corruption scandals to rock South Korea in recent years. Jeon Du-hwan, who received the death penalty, and Roh Tae-woo, who got a 20-year jail term, spent only two years each in prison.