Hamilton fears he may not make F1 Spanish GP Q3

The seven-time world champion endured a difficult opening day of practice at Barcelona, as Mercedes had its first proper run on a regular circuit of new upgrades following their introduction in Monaco.

Hamilton ended second practice 11th fastest overall, 0.642 seconds adrift of pace setter Max Verstappen, with team-mate George Russell less than two-tenths quicker in eighth.

But with the fight behind Red Bull looking extremely close, Hamilton says that a lot of work is…