West Brom have vowed to take strong action against any of the club 's fans found to have been involved in disturbances at the FA Cup quarter-final against Aston Villa on Saturday . Seats were thrown from the Albion section and Villa supporters invaded the pitch twice during the game as Tim Sherwood 's men beat the Baggies 2-0 on Saturday to reach the semi-finals . Police have made 17 arrests related to the game and a spokesperson for the Football Association said its investigation into the incidents will begin on Monday . Aston Villa supporters stormed the pitch following the club 's FA Cup victory over West Brom on Saturday . Police attempt to halt fans who ran on to the pitch after Aston Villa booked their place in the semi-finals . West Brom goalkeeper Boaz Myhill is mocked by an Aston Villa fan following the home side 's second goal . Villa issued an apology after the game to 'the Football Association , the West Bromwich Albion directors , manager Tony Pulis and all his staff and players ' and Albion announced in a statement on Sunday that the apology had been 'received in the spirit with which it was intended ' . 'West Bromwich Albion note the public apology issued by Aston Villa FC in the wake of the disturbing scenes during and after the FA Cup quarter-final at Villa Park , ' read the statement . 'The apology is received in the spirit with which it was intended . 'The club is also aware of reports of serious misbehaviour involving some of its own supporters . 'It issues an uncompromising reminder today that any supporter found guilty of disorder offences can expect the appropriate sanction from the club . West Bromwich Albion will continue to operate zero tolerance to any fans who bring the club 's reputation into disrepute . 'The club also welcomes the FA investigation into the scenes and how they came about ; West Bromwich Albion will co-operate fully . 'Pitch invasions can not be tolerated under any circumstances . The safety of the club 's players and staff during and at the end of the game was clearly compromised and that has to be a subject of deep concern for everyone involved . ' The West Brom goalkeeper attempts to make his way off the field following the full-time whistle . Meagre numbers of police and stewards attempted to deal with the hundreds who invaded the field of play . Scorer Scott Sinclair ( second left ) is mobbed by a fan and team-mates Ashley Westwood and Jack Grealish . The police have also launched their own probe into a pre-match disturbance at the Witton Arms , close to Villa Park . 'We carried out a large policing operation for the FA Cup yesterday evening ( March 7 ) to ensure supporters could enjoy the game in a safe environment , ' Chief Superintendent Chris Johnson from West Midlands Police said in a statement . 'During the course of the operation 17 men were arrested for various public order offences . An investigation has been launched to identify people involved in a disturbance before the match at the Witton Arms pub . 'Anyone who saw what happened should contact police on 101 or call Crimestoppers , anonymously , on 0800 555 111 . 'We will also be supporting the Football Association to identify people involved in pitch invasions that happened at the end of the match . ' Aston Villa manager Tim Sherwood admitted he could understand the fans ' emotions after the victory . West Brom boss Tony Pulis believes Aston Villa need to look at their stewarding following Saturday 's incidents . Among the arrests were eight people detained on suspicion of public-order offences , four on suspicion of being drunk and disorderly and two on suspicion of breach of the peace , police said . Villa fans invaded the pitch before the end of the game and then again at the final whistle while seats were thrown from the upper tier of the North Stand , where Albion fans were sitting , into the Villa crowd below during the second half . 'There is no progress on last night except the FA knows about it and intends to look into it thoroughly , ' the FA spokesperson said . West Brom boss Tony Pulis called the scenes disgraceful while Villa chief Sherwood defended the club 's stewards afterwards . Second-half goals from Fabian Delph and Scott Sinclair won it for Villa while Claudio Yacob and Jack Grealish were sent off as both sides finished with 10 men . The scene at Villa Park as hundreds of jubilant fans stormed the pitch shortly after the final whistle . One fan swings on the Villa Park crossbar as Tim Sherwood 's side booked their place at Wembley . Aston Villa supporter Mark Villers needed his hair cut and wound glued together on Saturday night . Villers , 20 , shows his blood-stained trainers after being hit by a seat during the Midlands derby at Villa Park .
West Brom have announced they will take strong stance against fans . The club has been fined £25,000 and banned from attending any matches in the Premier League for a period of two years after stewards found banners at their home games that were "offensive to members of Baggies were eliminated from the FA Cup after 2-1 defeat by Aston Villa . READ : West Brom fan needed bloody wound glued back together .