Brandon Thomas-Asante's double secured Coventry a fifth straight victory as Frank Lampard's side extended their lead at the top of the Championship table by beating Portsmouth 2-1.

Thomas-Asante converted his seventh and eighth goals of the season to move the unbeaten Sky Blues four points clear at the summit.

Sky Blues goalkeeper Carl Rushworth surpassed Horace Pearson's club-record streak of 608 minutes without conceding - a mark that had stood since 1934 - before his goal was finally breached by Makenzie Kirk's delightful lob in stoppage time.

Pompey felt they should have taken the lead in the 15th minute when Jay Dasilva appeared to block Yang Min-hyeok's cross with his arm.

The protests were waved away by referee Gavin Ward, before fourth official Stephen Martin had to get in the middle of managers Lampard and John Mousinho after some unfriendly words and chest prods.

Regan Poole headed wide at one end and Ellis Simms had an inadvertent shot cleared off the line as the game burst into life.

The Sky Blues bagged their 30th league goal of the season on the half hour when Matt Grimes' deep corner was nodded back across goal by Bobby Thomas for...