Paul is the younger of Lincolnshire's Cook brothers

Rob and Paul Cook both struck centuries as Lincolnshire strengthened their advantage in their Minor Counties match against Hertfordshire at Cleethorpes.

Rob made 154 and Paul 114 as they became the first brothers to hit tons in the same innings for the county.

They put on 209 for the fifth wicket as Lincolnshire reached 375 to lead by 237 after the first innings.

At the end of day two Hertfordshire had been reduced to 192 for 5 in their second innings, 45 runs behind.