A verbal altercation that began at a Dallas 7/11 gas station ended with a pregnant woman's baby being killed by two suspects, an arrest affidavit states.

A person is dead following a shooting early Wednesday morning near Dallas' Kessler Stevens and north Oak Cliff neighborhoods, police said in a statement.

Last Monday in Uptown Dallas, a parking lot fight turned fatal when gunfire broke out, leaving one man dead. Officers arrived at a business parking lot in the 2700 block of McKinney Avenue at about 2:50 a.

Seung Ho Han told police he targeted the shooting victims in Carrollton over a failed $75,000 business deal involving his sushi restaurant and property investments.

Community leaders gathered at the Korean Cultural Center of Dallas to honor victims and urge calm after the Carrollton Koreatown shooting.

At least two people were killed and three others injured in a shooting incident at a shopping mall north of Dallas, US, on Tuesday, police said.

Jaylan Davis was taken into custody on Wednesday and is accused of being the primary aggressor in a mass shooting at Arcadia Lake.