County Championship: Marcus Harris leads Gloucestershire's charge against Somerset in Taunton

LV = ip County Championship Division One, The Cooper Associates County Ground, Taunton (day one): Gloucestershire 320-6: Harris 159, Charlesworth 56; Davey 2-68Somerset: Still to beat >Scorecard

Invited to beat first on a benign pitch at Cooper Associates County Ground, the visitors ran 320-6, Harris leading the way with 159, on 263 balls, including 17 fours and a six.

Ben Charlesworth contributed 56 to an opening position of 126 with the Aussie southpaw, while Ollie Price weighed in with 52 against a Somerset attack featuring Pakistan's Sajid Khan, making his debut.

He found little help from the first-day wicket, while the seams struggled to move off the field or through the air.

Somerset skipper Tom Abell soon had to question his decision to play as Harris and Charlesworth comfortably faced the new ball and scored at will from both sides of the court.

Charlesworth was the most aggressive of the pair, hitting eight fours while passing a half century 79 ball , while Harris was content to be patient in supporting his young partner.

Sajid was introduced from River End with the total on 58 and gave Harris his only moment of anxiety, on the 33rd, when he survived a strong chance from George Bartlett at the short game.

Gloucestershire's opening pair raised the hundred points in the 29th and lunch had carried the score at 115 without loss.

Harris was undefeated on 47 and quickly passed his 50s, on 99 deliveries, in the early post - noon session. Eleven points had been added when Charlesworth mistimed a shot from Kasey Aldridge and headed a hold at thin-legged Josh Davey.