Under-fire Thomas Frank is convinced he will still be Tottenham manager for next week’s visit of Arsenal despite the club’s relegation fears increasing after a 2-1 home loss to Newcastle.Spurs were set to be only three points above the bottom three until Manchester United produced a last-gasp equaliser at 18th-placed West Ham.However, Jacob Ramsey’s 68th-minute winner for Newcastle consigned Frank’s injury-hit team to a fifth defeat in nine matches and they have won only two of their last 17 Premier League fixtures.