Vettel Leads Montreal Second Practice

Sebastian Vettel Leads the way in second practice for the Canadian Grand Prix ,Vettel's 1:16.877 which he set in the middle of the session was good to stay in the lead ,Ferrari's Fernando Alonso was second with less than a tenth down on Vettel's time,the session saw Mclaren running on high fuel loads in the end of the session they may be hidden their true pace for Qualifying.
Full Result:

Pos	No	Driver	Team	Time/Retired	Gap	Laps
1	5	Sebastian Vettel	RBR-Renault	1:16.877		32
2	8	Fernando Alonso	Ferrari	1:16.963	0.086	35
3	4	Nico Rosberg	Mercedes GP	1:17.151	0.274	34
4	6	Mark Webber	RBR-Renault	1:17.273	0.396	33
5	7	Felipe Massa	Ferrari	1:17.401	0.524	33
6	14	Adrian Sutil	Force India-Mercedes	1:17.415	0.538	28
7	2	Lewis Hamilton	McLaren-Mercedes	1:17.522	0.645	29
8	11	Robert Kubica	Renault	1:17.529	0.652	36
9	3	Michael Schumacher	Mercedes GP	1:17.688	0.811	34
10	15	Vitantonio Liuzzi	Force India-Mercedes	1:17.903	1.026	35
11	1	Jenson Button	McLaren-Mercedes	1:17.961	1.084	33
12	9	Rubens Barrichello	Williams-Cosworth	1:18.385	1.508	27
13	10	Nico Hulkenberg	Williams-Cosworth	1:18.447	1.570
14	12	Vitaly Petrov	Renault	1:18.582	1.705
15	22	Pedro de la Rosa	BMW Sauber-Ferrari	1:18.658	1.781
16	23	Kamui Kobayashi	BMW Sauber-Ferrari	1:19.142	2.265
17	16	Sebastien Buemi	STR-Ferrari	1:19.168	2.291
18	17	Jaime Alguersuari	STR-Ferrari	1:19.274	2.397
19	19	Heikki Kovalainen	Lotus-Cosworth	1:19.969	3.092
20	20	Karun Chandhok	HRT-Cosworth	1:20.879	4.002
21	21	Bruno Senna	HRT-Cosworth	1:21.097	4.220
22	18	Jarno Trulli	Lotus-Cosworth	1:21.346	4.469
23	24	Timo Glock	Virgin-Cosworth	1:21.488	4.611
24	25	Lucas di Grassi	Virgin-Cosworth	1:21.577	4.700